diff --git a/Makefile b/Makefile
index b30a1cefd..10ae1e1f0 100644
--- a/Makefile
+++ b/Makefile
@@ -119,7 +119,6 @@ include libc/fmt/fmt.mk				#─┘
 include libc/calls/calls.mk			#─┐
 include libc/runtime/runtime.mk			# ├──SYSTEMS RUNTIME
 include libc/crt/crt.mk				# │  You can issue system calls
-include libc/rand/rand.mk			# │
 include libc/unicode/unicode.mk			# │
 include third_party/dlmalloc/dlmalloc.mk	#─┘
 include libc/mem/mem.mk				#─┐
@@ -208,7 +207,6 @@ include test/libc/x/test.mk
 include test/libc/xed/test.mk
 include test/libc/fmt/test.mk
 include test/libc/dns/test.mk
-include test/libc/rand/test.mk
 include test/libc/time/test.mk
 include test/libc/stdio/test.mk
 include test/libc/release/test.mk
@@ -302,7 +300,6 @@ COSMOPOLITAN_OBJECTS =		\
 	LIBC_RUNTIME		\
 	LIBC_ELF		\
 	LIBC_CALLS		\
-	LIBC_RAND		\
 	LIBC_SYSV_CALLS		\
 	LIBC_NT_PSAPI		\
 	LIBC_NT_POWRPROF	\
@@ -337,7 +334,6 @@ COSMOPOLITAN_HEADERS =		\
 	LIBC_MEM		\
 	LIBC_NEXGEN32E		\
 	LIBC_NT			\
-	LIBC_RAND		\
 	LIBC_RUNTIME		\
 	LIBC_SOCK		\
 	LIBC_STDIO		\
diff --git a/examples/curl.c b/examples/curl.c
index b8e7a1550..7c17861fb 100644
--- a/examples/curl.c
+++ b/examples/curl.c
@@ -18,7 +18,7 @@
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/macros.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.h"
 #include "libc/runtime/runtime.h"
 #include "libc/sock/goodsocket.internal.h"
diff --git a/examples/examples.mk b/examples/examples.mk
index b861d456a..5fd3e899b 100644
--- a/examples/examples.mk
+++ b/examples/examples.mk
@@ -56,7 +56,6 @@ EXAMPLES_DIRECTDEPS =								\
 	LIBC_NT_USER32								\
 	LIBC_NT_WS2_32								\
 	LIBC_NT_ADVAPI32							\
-	LIBC_RAND								\
 	LIBC_RUNTIME								\
 	LIBC_SOCK								\
 	LIBC_STDIO								\
diff --git a/examples/forkrand.c b/examples/forkrand.c
index ea6417d50..3365eee35 100644
--- a/examples/forkrand.c
+++ b/examples/forkrand.c
@@ -12,7 +12,7 @@
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/nt/nt/process.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.h"
 #include "libc/runtime/memtrack.internal.h"
 #include "libc/runtime/runtime.h"
diff --git a/examples/generalized-automatic-datastructure-printing.c b/examples/generalized-automatic-datastructure-printing.c
index d7f8edbcd..a828bca6c 100644
--- a/examples/generalized-automatic-datastructure-printing.c
+++ b/examples/generalized-automatic-datastructure-printing.c
@@ -8,7 +8,7 @@
 ╚─────────────────────────────────────────────────────────────────*/
 #endif
 #include "libc/log/gdb.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 
 /**
diff --git a/examples/getrandom.c b/examples/getrandom.c
index a5c109e83..a0dd600c8 100644
--- a/examples/getrandom.c
+++ b/examples/getrandom.c
@@ -18,8 +18,8 @@
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/x86feature.h"
 #include "libc/nt/runtime.h"
-#include "libc/rand/rand.h"
-#include "libc/rand/xorshift.h"
+#include "libc/stdio/rand.h"
+#include "libc/stdio/xorshift.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 #include "libc/sysv/consts/ex.h"
diff --git a/examples/hangman.c b/examples/hangman.c
index f580aa476..83f20bd96 100644
--- a/examples/hangman.c
+++ b/examples/hangman.c
@@ -38,7 +38,7 @@
  */
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/libc/calls/samplepids.c b/libc/calls/samplepids.c
index 99b0f9a06..97ef48258 100644
--- a/libc/calls/samplepids.c
+++ b/libc/calls/samplepids.c
@@ -21,7 +21,7 @@
 #include "libc/dce.h"
 #include "libc/intrin/spinlock.h"
 #include "libc/nexgen32e/threaded.h"
-#include "libc/rand/lcg.internal.h"
+#include "libc/stdio/lcg.internal.h"
 
 /**
  * Returns handles of windows pids being tracked.
diff --git a/libc/calls/wait4-nt.c b/libc/calls/wait4-nt.c
index f7c4edaeb..044dbc127 100644
--- a/libc/calls/wait4-nt.c
+++ b/libc/calls/wait4-nt.c
@@ -38,7 +38,7 @@
 #include "libc/nt/struct/filetime.h"
 #include "libc/nt/struct/processmemorycounters.h"
 #include "libc/nt/synchronization.h"
-#include "libc/rand/lcg.internal.h"
+#include "libc/stdio/lcg.internal.h"
 #include "libc/runtime/ezmap.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/str/str.h"
diff --git a/libc/dns/dns.mk b/libc/dns/dns.mk
index f0f8e032b..7f2e1e94a 100644
--- a/libc/dns/dns.mk
+++ b/libc/dns/dns.mk
@@ -29,7 +29,6 @@ LIBC_DNS_A_DIRECTDEPS =				\
 	LIBC_FMT				\
 	LIBC_MEM				\
 	LIBC_NEXGEN32E				\
-	LIBC_RAND				\
 	LIBC_RUNTIME				\
 	LIBC_SOCK				\
 	LIBC_STDIO				\
diff --git a/libc/dns/resolvedns.c b/libc/dns/resolvedns.c
index fd88d3160..6791ac78c 100644
--- a/libc/dns/resolvedns.c
+++ b/libc/dns/resolvedns.c
@@ -24,7 +24,7 @@
 #include "libc/dns/dnsquestion.h"
 #include "libc/dns/resolvconf.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/sock/internal.h"
 #include "libc/sock/sock.h"
diff --git a/libc/dns/resolvednsreverse.c b/libc/dns/resolvednsreverse.c
index 8bedc774e..4f8b08f8c 100644
--- a/libc/dns/resolvednsreverse.c
+++ b/libc/dns/resolvednsreverse.c
@@ -32,7 +32,7 @@
 #include "libc/dns/dnsquestion.h"
 #include "libc/dns/resolvconf.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/sock/sock.h"
 #include "libc/str/str.h"
diff --git a/libc/calls/_getauxval.c b/libc/intrin/_getauxval.c
similarity index 100%
rename from libc/calls/_getauxval.c
rename to libc/intrin/_getauxval.c
diff --git a/libc/rand/rand64.c b/libc/intrin/rand64.c
similarity index 100%
rename from libc/rand/rand64.c
rename to libc/intrin/rand64.c
diff --git a/libc/isystem/stdlib.h b/libc/isystem/stdlib.h
index 96aa83a43..82ff1fa1c 100644
--- a/libc/isystem/stdlib.h
+++ b/libc/isystem/stdlib.h
@@ -3,7 +3,7 @@
 #include "libc/alg/alg.h"
 #include "libc/fmt/conv.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/temp.h"
 #include "libc/sysv/consts/exit.h"
diff --git a/libc/isystem/sys/random.h b/libc/isystem/sys/random.h
index 724a9cf25..f03bbe59a 100644
--- a/libc/isystem/sys/random.h
+++ b/libc/isystem/sys/random.h
@@ -1,5 +1,5 @@
 #ifndef COSMOPOLITAN_LIBC_ISYSTEM_SYS_RANDOM_H_
 #define COSMOPOLITAN_LIBC_ISYSTEM_SYS_RANDOM_H_
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/sysv/consts/grnd.h"
 #endif /* COSMOPOLITAN_LIBC_ISYSTEM_SYS_RANDOM_H_ */
diff --git a/libc/log/log.mk b/libc/log/log.mk
index 05b98dc27..9d38c6641 100644
--- a/libc/log/log.mk
+++ b/libc/log/log.mk
@@ -26,7 +26,6 @@ LIBC_LOG_A_CHECKS =					\
 	$(LIBC_LOG_A_HDRS:%=o/$(MODE)/%.ok)
 
 LIBC_LOG_A_DIRECTDEPS =					\
-	LIBC_ALG					\
 	LIBC_CALLS					\
 	LIBC_ELF					\
 	LIBC_FMT					\
@@ -35,7 +34,6 @@ LIBC_LOG_A_DIRECTDEPS =					\
 	LIBC_NEXGEN32E					\
 	LIBC_NT_KERNEL32				\
 	LIBC_NT_NTDLL					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_STDIO					\
 	LIBC_STR					\
diff --git a/libc/mem/mem.mk b/libc/mem/mem.mk
index 86a2ef8a9..39dc4327b 100644
--- a/libc/mem/mem.mk
+++ b/libc/mem/mem.mk
@@ -33,7 +33,6 @@ LIBC_MEM_A_DIRECTDEPS =				\
 	LIBC_FMT				\
 	LIBC_INTRIN				\
 	LIBC_NEXGEN32E				\
-	LIBC_RAND				\
 	LIBC_RUNTIME				\
 	LIBC_STR				\
 	LIBC_STUBS				\
diff --git a/libc/rand/internal.h b/libc/rand/internal.h
deleted file mode 100644
index e2b4cf1e7..000000000
--- a/libc/rand/internal.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef COSMOPOLITAN_LIBC_RAND_INTERNAL_H_
-#define COSMOPOLITAN_LIBC_RAND_INTERNAL_H_
-#if !(__ASSEMBLER__ + __LINKER__ + 0)
-COSMOPOLITAN_C_START_
-
-hidden extern uint64_t g_rando;
-
-COSMOPOLITAN_C_END_
-#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
-#endif /* COSMOPOLITAN_LIBC_RAND_INTERNAL_H_ */
diff --git a/libc/rand/rand.mk b/libc/rand/rand.mk
old mode 100644
new mode 100755
index 64fd1425a..e69de29bb
--- a/libc/rand/rand.mk
+++ b/libc/rand/rand.mk
@@ -1,60 +0,0 @@
-#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
-#───vi: set et ft=make ts=8 tw=8 fenc=utf-8 :vi───────────────────────┘
-
-PKGS += LIBC_RAND
-
-LIBC_RAND_ARTIFACTS += LIBC_RAND_A
-LIBC_RAND = $(LIBC_RAND_A_DEPS) $(LIBC_RAND_A)
-LIBC_RAND_A = o/$(MODE)/libc/rand/rand.a
-LIBC_RAND_A_FILES := $(wildcard libc/rand/*)
-LIBC_RAND_A_HDRS = $(filter %.h,$(LIBC_RAND_A_FILES))
-LIBC_RAND_A_SRCS_S = $(filter %.S,$(LIBC_RAND_A_FILES))
-LIBC_RAND_A_SRCS_C = $(filter %.c,$(LIBC_RAND_A_FILES))
-
-LIBC_RAND_A_SRCS =				\
-	$(LIBC_RAND_A_SRCS_S)			\
-	$(LIBC_RAND_A_SRCS_C)
-
-LIBC_RAND_A_OBJS =				\
-	$(LIBC_RAND_A_SRCS_S:%.S=o/$(MODE)/%.o)	\
-	$(LIBC_RAND_A_SRCS_C:%.c=o/$(MODE)/%.o)
-
-LIBC_RAND_A_CHECKS =				\
-	$(LIBC_RAND_A).pkg			\
-	$(LIBC_RAND_A_HDRS:%=o/$(MODE)/%.ok)
-
-LIBC_RAND_A_DIRECTDEPS =			\
-	LIBC_CALLS				\
-	LIBC_INTRIN				\
-	LIBC_NEXGEN32E				\
-	LIBC_NT_ADVAPI32			\
-	LIBC_STR				\
-	LIBC_STUBS				\
-	LIBC_SYSV				\
-	LIBC_SYSV_CALLS				\
-	LIBC_TINYMATH
-
-LIBC_RAND_A_DEPS :=				\
-	$(call uniq,$(foreach x,$(LIBC_RAND_A_DIRECTDEPS),$($(x))))
-
-$(LIBC_RAND_A):	libc/rand/			\
-		$(LIBC_RAND_A).pkg		\
-		$(LIBC_RAND_A_OBJS)
-
-$(LIBC_RAND_A).pkg:				\
-		$(LIBC_RAND_A_OBJS)		\
-		$(foreach x,$(LIBC_RAND_A_DIRECTDEPS),$($(x)_A).pkg)
-
-o/$(MODE)/libc/rand/mt19937-64.o: private	\
-		OVERRIDE_CFLAGS +=		\
-			-ffunction-sections
-
-LIBC_RAND_LIBS = $(foreach x,$(LIBC_RAND_ARTIFACTS),$($(x)))
-LIBC_RAND_SRCS = $(foreach x,$(LIBC_RAND_ARTIFACTS),$($(x)_SRCS))
-LIBC_RAND_HDRS = $(foreach x,$(LIBC_RAND_ARTIFACTS),$($(x)_HDRS))
-LIBC_RAND_CHECKS = $(foreach x,$(LIBC_RAND_ARTIFACTS),$($(x)_CHECKS))
-LIBC_RAND_OBJS = $(foreach x,$(LIBC_RAND_ARTIFACTS),$($(x)_OBJS))
-$(LIBC_RAND_OBJS): $(BUILD_FILES) libc/rand/rand.mk
-
-.PHONY: o/$(MODE)/libc/rand
-o/$(MODE)/libc/rand: $(LIBC_RAND_CHECKS)
diff --git a/libc/runtime/mmap.c b/libc/runtime/mmap.c
index e1936e9a8..1e07db63d 100644
--- a/libc/runtime/mmap.c
+++ b/libc/runtime/mmap.c
@@ -41,7 +41,7 @@
 #include "libc/nt/process.h"
 #include "libc/nt/runtime.h"
 #include "libc/nt/struct/processmemorycounters.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/directmap.internal.h"
 #include "libc/runtime/internal.h"
 #include "libc/runtime/memtrack.internal.h"
diff --git a/libc/stdio/fflushimpl.c b/libc/stdio/fflushimpl.c
index 8805b9a76..a3a75cbf4 100644
--- a/libc/stdio/fflushimpl.c
+++ b/libc/stdio/fflushimpl.c
@@ -20,6 +20,7 @@
 #include "libc/errno.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/internal.h"
+#include "libc/stdio/stdio.h"
 #include "libc/sysv/consts/o.h"
 
 int __fflush_impl(FILE *f) {
diff --git a/libc/rand/g_rando.S b/libc/stdio/g_rando.S
similarity index 100%
rename from libc/rand/g_rando.S
rename to libc/stdio/g_rando.S
diff --git a/libc/rand/getentropy.c b/libc/stdio/getentropy.c
similarity index 98%
rename from libc/rand/getentropy.c
rename to libc/stdio/getentropy.c
index f3d262661..816189b85 100644
--- a/libc/rand/getentropy.c
+++ b/libc/stdio/getentropy.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/sysv/consts/grnd.h"
 
 /**
diff --git a/libc/rand/getrandom.c b/libc/stdio/getrandom.c
similarity index 98%
rename from libc/rand/getrandom.c
rename to libc/stdio/getrandom.c
index 2836d9281..68cd2c683 100644
--- a/libc/rand/getrandom.c
+++ b/libc/stdio/getrandom.c
@@ -16,7 +16,6 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/intrin/bits.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/strace.internal.h"
 #include "libc/calls/struct/sigaction.h"
@@ -25,15 +24,16 @@
 #include "libc/calls/syscall_support-nt.internal.h"
 #include "libc/dce.h"
 #include "libc/errno.h"
+#include "libc/intrin/bits.h"
 #include "libc/nexgen32e/kcpuids.h"
 #include "libc/nexgen32e/rdtsc.h"
 #include "libc/nexgen32e/vendor.internal.h"
 #include "libc/nexgen32e/x86feature.h"
 #include "libc/nexgen32e/x86info.h"
 #include "libc/nt/runtime.h"
-#include "libc/rand/rand.h"
-#include "libc/rand/xorshift.h"
 #include "libc/runtime/runtime.h"
+#include "libc/stdio/rand.h"
+#include "libc/stdio/xorshift.h"
 #include "libc/str/str.h"
 #include "libc/sysv/consts/at.h"
 #include "libc/sysv/consts/auxv.h"
diff --git a/libc/stdio/internal.h b/libc/stdio/internal.h
index bcf750149..f4320b40a 100644
--- a/libc/stdio/internal.h
+++ b/libc/stdio/internal.h
@@ -11,6 +11,8 @@ extern char g_stdinbuf[BUFSIZ];
 extern char g_stdoutbuf[BUFSIZ];
 extern char g_stderrbuf[BUFSIZ];
 
+hidden extern uint64_t g_rando;
+
 int __fflush_impl(FILE *) hidden;
 int __fflush_register(FILE *) hidden;
 void __fflush_unregister(FILE *) hidden;
diff --git a/libc/rand/lcg.internal.h b/libc/stdio/lcg.internal.h
similarity index 100%
rename from libc/rand/lcg.internal.h
rename to libc/stdio/lcg.internal.h
diff --git a/libc/rand/lemur64.c b/libc/stdio/lemur64.c
similarity index 98%
rename from libc/rand/lemur64.c
rename to libc/stdio/lemur64.c
index a21c9cb40..a28536475 100644
--- a/libc/rand/lemur64.c
+++ b/libc/stdio/lemur64.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 
 /**
  * Returns linear congruential deterministic pseudorandom data, e.g.
diff --git a/libc/stdio/mkdtemp.c b/libc/stdio/mkdtemp.c
index 98f00c39b..1a62f15e6 100644
--- a/libc/stdio/mkdtemp.c
+++ b/libc/stdio/mkdtemp.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/calls.h"
 #include "libc/errno.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/temp.h"
 #include "libc/str/str.h"
 #include "libc/sysv/errfuns.h"
diff --git a/libc/stdio/mkostempsm.c b/libc/stdio/mkostempsm.c
index 5d887b4d7..64f6e17f7 100644
--- a/libc/stdio/mkostempsm.c
+++ b/libc/stdio/mkostempsm.c
@@ -20,8 +20,8 @@
 #include "libc/calls/calls.h"
 #include "libc/calls/strace.internal.h"
 #include "libc/errno.h"
-#include "libc/rand/lcg.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/lcg.internal.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/temp.h"
 #include "libc/str/str.h"
diff --git a/libc/rand/mt19937.c b/libc/stdio/mt19937.c
similarity index 99%
rename from libc/rand/mt19937.c
rename to libc/stdio/mt19937.c
index 90f2b5a57..72d9c41f6 100644
--- a/libc/rand/mt19937.c
+++ b/libc/stdio/mt19937.c
@@ -36,7 +36,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/intrin/likely.h"
 #include "libc/macros.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 
 asm(".ident\t\"\\n\\n\
 mt19937 (BSD-3)\\n\
diff --git a/libc/rand/rand.c b/libc/stdio/rand.c
similarity index 96%
rename from libc/rand/rand.c
rename to libc/stdio/rand.c
index bb799b097..edbad3b26 100644
--- a/libc/rand/rand.c
+++ b/libc/stdio/rand.c
@@ -16,9 +16,9 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/internal.h"
-#include "libc/rand/lcg.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/internal.h"
+#include "libc/stdio/lcg.internal.h"
+#include "libc/stdio/rand.h"
 
 /**
  * Returns 31-bit linear congruential pseudorandom number, e.g.
diff --git a/libc/rand/rand.h b/libc/stdio/rand.h
similarity index 100%
rename from libc/rand/rand.h
rename to libc/stdio/rand.h
diff --git a/libc/stdio/rand.mk b/libc/stdio/rand.mk
new file mode 100755
index 000000000..e69de29bb
diff --git a/libc/rand/random.c b/libc/stdio/random.c
similarity index 99%
rename from libc/rand/random.c
rename to libc/stdio/random.c
index bfae5347a..4ac97c894 100644
--- a/libc/rand/random.c
+++ b/libc/stdio/random.c
@@ -25,7 +25,7 @@
 │  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                      │
 │                                                                              │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 
 asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
diff --git a/libc/rand/rdrand.c b/libc/stdio/rdrand.c
similarity index 99%
rename from libc/rand/rdrand.c
rename to libc/stdio/rdrand.c
index 6c55da016..7b588cd74 100644
--- a/libc/rand/rdrand.c
+++ b/libc/stdio/rdrand.c
@@ -19,7 +19,7 @@
 #include "libc/intrin/asmflag.h"
 #include "libc/errno.h"
 #include "libc/nexgen32e/x86feature.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/sysv/consts/grnd.h"
 
 STATIC_YOINK("rdrand_init");
diff --git a/libc/rand/rdrand_init.c b/libc/stdio/rdrand_init.c
similarity index 98%
rename from libc/rand/rdrand_init.c
rename to libc/stdio/rdrand_init.c
index 0d2ad25ce..3fec0846b 100644
--- a/libc/rand/rdrand_init.c
+++ b/libc/stdio/rdrand_init.c
@@ -20,7 +20,7 @@
 #include "libc/nexgen32e/vendor.internal.h"
 #include "libc/nexgen32e/x86feature.h"
 #include "libc/nexgen32e/x86info.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 
 textstartup void rdrand_init(int argc, char **argv, char **envp,
                              intptr_t *auxv) {
diff --git a/libc/rand/rdseed.c b/libc/stdio/rdseed.c
similarity index 99%
rename from libc/rand/rdseed.c
rename to libc/stdio/rdseed.c
index a3711d90a..3ffe033ec 100644
--- a/libc/rand/rdseed.c
+++ b/libc/stdio/rdseed.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/intrin/asmflag.h"
 #include "libc/nexgen32e/x86feature.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/sysv/consts/grnd.h"
 
diff --git a/libc/rand/real1.c b/libc/stdio/real1.c
similarity index 98%
rename from libc/rand/real1.c
rename to libc/stdio/real1.c
index d73469c38..f9f3337e6 100644
--- a/libc/rand/real1.c
+++ b/libc/stdio/real1.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 
 /**
  * Generates number on [0,1]-real-interval, e.g.
diff --git a/libc/rand/real2.c b/libc/stdio/real2.c
similarity index 98%
rename from libc/rand/real2.c
rename to libc/stdio/real2.c
index b722b3b34..b6398a343 100644
--- a/libc/rand/real2.c
+++ b/libc/stdio/real2.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 
 /**
  * Generates number on [0,1)-real-interval, e.g.
diff --git a/libc/rand/real3.c b/libc/stdio/real3.c
similarity index 98%
rename from libc/rand/real3.c
rename to libc/stdio/real3.c
index ac0cadb3a..4412afca2 100644
--- a/libc/rand/real3.c
+++ b/libc/stdio/real3.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 
 /**
  * Generates number on (0,1)-real-interval, e.g.
diff --git a/libc/rand/rngset.c b/libc/stdio/rngset.c
similarity index 99%
rename from libc/rand/rngset.c
rename to libc/stdio/rngset.c
index 2e399e06a..b9317d20f 100644
--- a/libc/rand/rngset.c
+++ b/libc/stdio/rngset.c
@@ -19,7 +19,7 @@
 #include "libc/calls/calls.h"
 #include "libc/dce.h"
 #include "libc/intrin/asan.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 
 /**
diff --git a/libc/rand/srand.c b/libc/stdio/srand.c
similarity index 98%
rename from libc/rand/srand.c
rename to libc/stdio/srand.c
index 62cc380eb..53c06e3f3 100644
--- a/libc/rand/srand.c
+++ b/libc/stdio/srand.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 
 extern uint64_t g_rando;
 
diff --git a/libc/stdio/stdio.mk b/libc/stdio/stdio.mk
index 0e98d486f..94b395fde 100644
--- a/libc/stdio/stdio.mk
+++ b/libc/stdio/stdio.mk
@@ -29,8 +29,8 @@ LIBC_STDIO_A_DIRECTDEPS =				\
 	LIBC_INTRIN					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
+	LIBC_NT_ADVAPI32				\
 	LIBC_NT_KERNEL32				\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_STR					\
 	LIBC_STUBS					\
@@ -57,6 +57,10 @@ o//libc/stdio/appendw.o: private			\
 		OVERRIDE_CFLAGS +=			\
 			-Os
 
+o/$(MODE)/libc/stdio/mt19937.o: private			\
+		OVERRIDE_CFLAGS +=			\
+			-ffunction-sections
+
 LIBC_STDIO_LIBS = $(foreach x,$(LIBC_STDIO_ARTIFACTS),$($(x)))
 LIBC_STDIO_SRCS = $(foreach x,$(LIBC_STDIO_ARTIFACTS),$($(x)_SRCS))
 LIBC_STDIO_HDRS = $(foreach x,$(LIBC_STDIO_ARTIFACTS),$($(x)_HDRS))
diff --git a/libc/rand/strfry.c b/libc/stdio/strfry.c
similarity index 98%
rename from libc/rand/strfry.c
rename to libc/stdio/strfry.c
index bcae53090..a91b30df2 100644
--- a/libc/rand/strfry.c
+++ b/libc/stdio/strfry.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/alg/shuffle.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/str/str.h"
 
 /**
diff --git a/libc/stdio/tmpfile.c b/libc/stdio/tmpfile.c
index 7da29c4a0..566196b2f 100644
--- a/libc/stdio/tmpfile.c
+++ b/libc/stdio/tmpfile.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/calls.h"
 #include "libc/errno.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/temp.h"
 #include "libc/str/str.h"
diff --git a/libc/rand/vigna.c b/libc/stdio/vigna.c
similarity index 99%
rename from libc/rand/vigna.c
rename to libc/stdio/vigna.c
index 36443295c..5aeb30253 100644
--- a/libc/rand/vigna.c
+++ b/libc/stdio/vigna.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 
 static uint64_t g_vigna;
 
diff --git a/libc/rand/xorshift.h b/libc/stdio/xorshift.h
similarity index 100%
rename from libc/rand/xorshift.h
rename to libc/stdio/xorshift.h
diff --git a/libc/rand/xorshift32.c b/libc/stdio/xorshift32.c
similarity index 98%
rename from libc/rand/xorshift32.c
rename to libc/stdio/xorshift32.c
index c40cf68a9..613f84b0b 100644
--- a/libc/rand/xorshift32.c
+++ b/libc/stdio/xorshift32.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/xorshift.h"
+#include "libc/stdio/xorshift.h"
 
 uint32_t MarsagliaXorshift32(uint32_t state[hasatleast 1]) {
   uint32_t x = state[0];
diff --git a/libc/rand/xorshift64.c b/libc/stdio/xorshift64.c
similarity index 98%
rename from libc/rand/xorshift64.c
rename to libc/stdio/xorshift64.c
index 2bf6263d1..862a56188 100644
--- a/libc/rand/xorshift64.c
+++ b/libc/stdio/xorshift64.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/xorshift.h"
+#include "libc/stdio/xorshift.h"
 
 uint64_t MarsagliaXorshift64(uint64_t state[hasatleast 1]) {
   uint64_t x = state[0];
diff --git a/libc/testlib/testlib.mk b/libc/testlib/testlib.mk
index 6c3e40ff0..81c19747d 100644
--- a/libc/testlib/testlib.mk
+++ b/libc/testlib/testlib.mk
@@ -101,7 +101,6 @@ LIBC_TESTLIB_A_DIRECTDEPS =					\
 	LIBC_MEM						\
 	LIBC_NEXGEN32E						\
 	LIBC_NT_KERNEL32					\
-	LIBC_RAND						\
 	LIBC_RUNTIME						\
 	LIBC_STDIO						\
 	LIBC_STR						\
diff --git a/libc/rand/measureentropy.c b/libc/tinymath/measureentropy.c
similarity index 98%
rename from libc/rand/measureentropy.c
rename to libc/tinymath/measureentropy.c
index 3b5e6ab5a..35caf1d51 100644
--- a/libc/rand/measureentropy.c
+++ b/libc/tinymath/measureentropy.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/math.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/str/str.h"
 
 /**
diff --git a/libc/rand/poz.c b/libc/tinymath/poz.c
similarity index 100%
rename from libc/rand/poz.c
rename to libc/tinymath/poz.c
diff --git a/libc/rand/randtest.c b/libc/tinymath/randtest.c
similarity index 100%
rename from libc/rand/randtest.c
rename to libc/tinymath/randtest.c
diff --git a/net/https/generatecertificateserial.c b/net/https/generatecertificateserial.c
index ebdf6c0b0..deb7283bc 100644
--- a/net/https/generatecertificateserial.c
+++ b/net/https/generatecertificateserial.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "net/https/https.h"
 #include "third_party/mbedtls/bignum.h"
 
diff --git a/net/https/generatehardrandom.c b/net/https/generatehardrandom.c
index 98ca7cbc4..e3e5682dd 100644
--- a/net/https/generatehardrandom.c
+++ b/net/https/generatehardrandom.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "net/https/https.h"
 
 int GenerateHardRandom(void *ctx, unsigned char *p, size_t n) {
diff --git a/net/https/getentropy.c b/net/https/getentropy.c
index a29494b9b..c461808ac 100644
--- a/net/https/getentropy.c
+++ b/net/https/getentropy.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/log/check.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "net/https/https.h"
 
 int GetEntropy(void *c, unsigned char *p, size_t n) {
diff --git a/net/https/https.mk b/net/https/https.mk
index 0d4b1d743..ce45d668e 100644
--- a/net/https/https.mk
+++ b/net/https/https.mk
@@ -27,7 +27,6 @@ NET_HTTPS_A_DIRECTDEPS =			\
 	LIBC_LOG				\
 	LIBC_MEM				\
 	LIBC_NEXGEN32E				\
-	LIBC_RAND				\
 	LIBC_RUNTIME				\
 	LIBC_STDIO				\
 	LIBC_STR				\
diff --git a/net/https/initializerng.c b/net/https/initializerng.c
index 737af255a..c37d002d6 100644
--- a/net/https/initializerng.c
+++ b/net/https/initializerng.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/log/check.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "net/https/https.h"
 #include "third_party/mbedtls/ctr_drbg.h"
 
diff --git a/test/dsp/core/mulaw_test.c b/test/dsp/core/mulaw_test.c
index f1c9ddb47..67cdf9176 100644
--- a/test/dsp/core/mulaw_test.c
+++ b/test/dsp/core/mulaw_test.c
@@ -21,7 +21,7 @@
 #include "libc/assert.h"
 #include "libc/macros.internal.h"
 #include "libc/math.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
diff --git a/test/dsp/core/sad16x8n_test.c b/test/dsp/core/sad16x8n_test.c
index e4ae0de00..3a07dfe5f 100644
--- a/test/dsp/core/sad16x8n_test.c
+++ b/test/dsp/core/sad16x8n_test.c
@@ -21,7 +21,7 @@
 #include "libc/limits.h"
 #include "libc/log/check.h"
 #include "libc/nexgen32e/x86feature.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/buffer.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
diff --git a/test/dsp/core/scalevolume_test.c b/test/dsp/core/scalevolume_test.c
index 5edeafb0a..82d4330e5 100644
--- a/test/dsp/core/scalevolume_test.c
+++ b/test/dsp/core/scalevolume_test.c
@@ -22,7 +22,7 @@
 #include "libc/log/check.h"
 #include "libc/macros.internal.h"
 #include "libc/nexgen32e/x86feature.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/buffer.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
diff --git a/test/dsp/core/test.mk b/test/dsp/core/test.mk
index 60dbc21e8..055e6c2c8 100644
--- a/test/dsp/core/test.mk
+++ b/test/dsp/core/test.mk
@@ -25,7 +25,6 @@ TEST_DSP_CORE_DIRECTDEPS =					\
 	LIBC_TINYMATH						\
 	LIBC_LOG						\
 	LIBC_RUNTIME						\
-	LIBC_RAND						\
 	LIBC_TESTLIB						\
 	TOOL_VIZ_LIB						\
 	THIRD_PARTY_BLAS					\
diff --git a/test/dsp/scale/test.mk b/test/dsp/scale/test.mk
index 87698b94b..e638a64e8 100644
--- a/test/dsp/scale/test.mk
+++ b/test/dsp/scale/test.mk
@@ -27,7 +27,6 @@ TEST_DSP_SCALE_DIRECTDEPS =				\
 	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_STDIO					\
 	LIBC_STR					\
diff --git a/test/dsp/tty/test.mk b/test/dsp/tty/test.mk
index c8dd85733..e53ccc4ef 100644
--- a/test/dsp/tty/test.mk
+++ b/test/dsp/tty/test.mk
@@ -25,8 +25,8 @@ TEST_DSP_TTY_DIRECTDEPS =				\
 	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
+	LIBC_STDIO					\
 	LIBC_STR					\
 	LIBC_STUBS					\
 	LIBC_TINYMATH					\
diff --git a/test/dsp/tty/ttymove_test.c b/test/dsp/tty/ttymove_test.c
index d829c9dde..a52b435b3 100644
--- a/test/dsp/tty/ttymove_test.c
+++ b/test/dsp/tty/ttymove_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "dsp/tty/tty.h"
 #include "libc/intrin/bits.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
diff --git a/test/libc/alg/djbsort_test.c b/test/libc/alg/djbsort_test.c
index 5b46429c6..d7255420b 100644
--- a/test/libc/alg/djbsort_test.c
+++ b/test/libc/alg/djbsort_test.c
@@ -23,7 +23,7 @@
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/nexgen32e.h"
 #include "libc/nexgen32e/x86feature.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/test/libc/alg/test.mk b/test/libc/alg/test.mk
index e8b91cb20..12574fff2 100644
--- a/test/libc/alg/test.mk
+++ b/test/libc/alg/test.mk
@@ -28,7 +28,6 @@ TEST_LIBC_ALG_DIRECTDEPS =				\
 	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_STDIO					\
 	LIBC_STR					\
diff --git a/test/libc/calls/_timespec_test.c b/test/libc/calls/_timespec_test.c
index 61b967beb..0a0b43dde 100644
--- a/test/libc/calls/_timespec_test.c
+++ b/test/libc/calls/_timespec_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/struct/timespec.h"
 #include "libc/intrin/kprintf.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/testlib/testlib.h"
 
 TEST(_timespec_gte, test) {
diff --git a/test/libc/calls/reservefd_test.c b/test/libc/calls/reservefd_test.c
index c54d69df2..5d0b920d6 100644
--- a/test/libc/calls/reservefd_test.c
+++ b/test/libc/calls/reservefd_test.c
@@ -28,7 +28,7 @@
 #include "libc/intrin/wait0.internal.h"
 #include "libc/macros.internal.h"
 #include "libc/nexgen32e/threaded.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/internal.h"
 #include "libc/runtime/stack.h"
 #include "libc/str/str.h"
diff --git a/test/libc/calls/setrlimit_test.c b/test/libc/calls/setrlimit_test.c
index 777a79d74..c07fb1b79 100644
--- a/test/libc/calls/setrlimit_test.c
+++ b/test/libc/calls/setrlimit_test.c
@@ -27,7 +27,7 @@
 #include "libc/log/check.h"
 #include "libc/math.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/directmap.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/str/str.h"
diff --git a/test/libc/calls/symlinkat_test.c b/test/libc/calls/symlinkat_test.c
index 97dab52b8..7d30ffd5b 100644
--- a/test/libc/calls/symlinkat_test.c
+++ b/test/libc/calls/symlinkat_test.c
@@ -21,7 +21,7 @@
 #include "libc/errno.h"
 #include "libc/fmt/fmt.h"
 #include "libc/fmt/itoa.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/sysv/consts/at.h"
 #include "libc/sysv/consts/s.h"
diff --git a/test/libc/calls/test.mk b/test/libc/calls/test.mk
index a038f6796..dc25f85c7 100644
--- a/test/libc/calls/test.mk
+++ b/test/libc/calls/test.mk
@@ -37,7 +37,6 @@ TEST_LIBC_CALLS_DIRECTDEPS =						\
 	LIBC_LOG							\
 	LIBC_MEM							\
 	LIBC_NEXGEN32E							\
-	LIBC_RAND							\
 	LIBC_STDIO							\
 	LIBC_SYSV_CALLS							\
 	LIBC_RUNTIME							\
diff --git a/test/libc/dns/dnsheader_test.c b/test/libc/dns/dnsheader_test.c
index d8617cd8d..b91699674 100644
--- a/test/libc/dns/dnsheader_test.c
+++ b/test/libc/dns/dnsheader_test.c
@@ -19,7 +19,7 @@
 #include "libc/dns/dns.h"
 #include "libc/dns/dnsheader.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/test/libc/dns/test.mk b/test/libc/dns/test.mk
index c29aab197..658b4b2ac 100644
--- a/test/libc/dns/test.mk
+++ b/test/libc/dns/test.mk
@@ -33,7 +33,6 @@ TEST_LIBC_DNS_DIRECTDEPS =				\
 	LIBC_RUNTIME					\
 	LIBC_SOCK					\
 	LIBC_STDIO					\
-	LIBC_RAND					\
 	LIBC_STR					\
 	LIBC_STUBS					\
 	LIBC_SYSV					\
diff --git a/test/libc/fmt/encodenf32_test.c b/test/libc/fmt/encodenf32_test.c
index f244f40e1..d5b4e4d4b 100644
--- a/test/libc/fmt/encodenf32_test.c
+++ b/test/libc/fmt/encodenf32_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/fmt/fmt.h"
 #include "libc/fmt/nf32.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/testlib/testlib.h"
 
 TEST(EncodeNf32, test) {
diff --git a/test/libc/fmt/test.mk b/test/libc/fmt/test.mk
index 8210441ad..528d29508 100644
--- a/test/libc/fmt/test.mk
+++ b/test/libc/fmt/test.mk
@@ -24,7 +24,6 @@ TEST_LIBC_FMT_DIRECTDEPS =				\
 	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_STDIO					\
 	LIBC_STR					\
diff --git a/test/libc/intrin/intrin_test.c b/test/libc/intrin/intrin_test.c
index 9ef375a2a..9ccae1dbd 100644
--- a/test/libc/intrin/intrin_test.c
+++ b/test/libc/intrin/intrin_test.c
@@ -102,8 +102,8 @@
 #include "libc/limits.h"
 #include "libc/log/check.h"
 #include "libc/nexgen32e/kcpuids.h"
-#include "libc/rand/lcg.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/lcg.internal.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/test/libc/intrin/kprintf_test.c b/test/libc/intrin/kprintf_test.c
index 5d61fbb4d..c1153d73a 100644
--- a/test/libc/intrin/kprintf_test.c
+++ b/test/libc/intrin/kprintf_test.c
@@ -25,7 +25,7 @@
 #include "libc/limits.h"
 #include "libc/log/libfatal.internal.h"
 #include "libc/macros.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/memtrack.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/runtime/symbols.internal.h"
diff --git a/test/libc/intrin/memcmp_test.c b/test/libc/intrin/memcmp_test.c
index a36273942..e819c6735 100644
--- a/test/libc/intrin/memcmp_test.c
+++ b/test/libc/intrin/memcmp_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/test/libc/intrin/memmove_test.c b/test/libc/intrin/memmove_test.c
index 90a5d61b9..203327807 100644
--- a/test/libc/intrin/memmove_test.c
+++ b/test/libc/intrin/memmove_test.c
@@ -19,7 +19,7 @@
 #include "libc/macros.internal.h"
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/nexgen32e.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/test/libc/intrin/memset_test.c b/test/libc/intrin/memset_test.c
index c5adfabe4..fcc03b456 100644
--- a/test/libc/intrin/memset_test.c
+++ b/test/libc/intrin/memset_test.c
@@ -19,7 +19,7 @@
 #include "libc/dce.h"
 #include "libc/intrin/asan.internal.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/libc/intrin/palignr_test.c b/test/libc/intrin/palignr_test.c
index 7907f9c6a..b7ddce936 100644
--- a/test/libc/intrin/palignr_test.c
+++ b/test/libc/intrin/palignr_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/intrin/palignr.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
 
diff --git a/test/libc/intrin/pshuf_test.c b/test/libc/intrin/pshuf_test.c
index aa844a54f..de707e056 100644
--- a/test/libc/intrin/pshuf_test.c
+++ b/test/libc/intrin/pshuf_test.c
@@ -19,7 +19,7 @@
 #include "libc/intrin/pshufd.h"
 #include "libc/intrin/pshufhw.h"
 #include "libc/intrin/pshuflw.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/str/str.h"
 #include "libc/testlib/testlib.h"
 
diff --git a/test/libc/rand/rand64_test.c b/test/libc/intrin/rand64_test.c
similarity index 99%
rename from test/libc/rand/rand64_test.c
rename to test/libc/intrin/rand64_test.c
index 18a63883e..83ace3f87 100644
--- a/test/libc/rand/rand64_test.c
+++ b/test/libc/intrin/rand64_test.c
@@ -28,7 +28,7 @@
 #include "libc/macros.internal.h"
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/threaded.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/internal.h"
 #include "libc/runtime/stack.h"
 #include "libc/str/str.h"
diff --git a/test/libc/intrin/strlen_test.c b/test/libc/intrin/strlen_test.c
index 6a5736317..bfbd3bc3c 100644
--- a/test/libc/intrin/strlen_test.c
+++ b/test/libc/intrin/strlen_test.c
@@ -20,7 +20,7 @@
 #include "libc/macros.internal.h"
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/bsr.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/libc/intrin/test.mk b/test/libc/intrin/test.mk
index d1db7cdd9..075025548 100644
--- a/test/libc/intrin/test.mk
+++ b/test/libc/intrin/test.mk
@@ -29,7 +29,6 @@ TEST_LIBC_INTRIN_DIRECTDEPS =				\
 	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_STDIO					\
 	LIBC_STR					\
diff --git a/test/libc/mem/malloc_test.c b/test/libc/mem/malloc_test.c
index b8fbfcadd..4f78b72dd 100644
--- a/test/libc/mem/malloc_test.c
+++ b/test/libc/mem/malloc_test.c
@@ -25,7 +25,7 @@
 #include "libc/intrin/kprintf.h"
 #include "libc/macros.internal.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/memtrack.internal.h"
 #include "libc/runtime/runtime.h"
diff --git a/test/libc/mem/test.mk b/test/libc/mem/test.mk
index abc921284..389bc918f 100644
--- a/test/libc/mem/test.mk
+++ b/test/libc/mem/test.mk
@@ -35,7 +35,6 @@ TEST_LIBC_MEM_DIRECTDEPS =					\
 	LIBC_LOG						\
 	LIBC_MEM						\
 	LIBC_NEXGEN32E						\
-	LIBC_RAND						\
 	LIBC_RUNTIME						\
 	LIBC_SOCK						\
 	LIBC_STDIO						\
diff --git a/test/libc/nexgen32e/memmove_test.c b/test/libc/nexgen32e/memmove_test.c
index 6c43e46f6..9fdb0434a 100644
--- a/test/libc/nexgen32e/memmove_test.c
+++ b/test/libc/nexgen32e/memmove_test.c
@@ -19,7 +19,7 @@
 #include "libc/intrin/bits.h"
 #include "libc/macros.internal.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/str/str.h"
 #include "libc/testlib/testlib.h"
 
diff --git a/test/libc/nexgen32e/strcaseconv_test.c b/test/libc/nexgen32e/strcaseconv_test.c
index 06dc6d5dc..52a636142 100644
--- a/test/libc/nexgen32e/strcaseconv_test.c
+++ b/test/libc/nexgen32e/strcaseconv_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/nexgen32e.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/libc/nexgen32e/test.mk b/test/libc/nexgen32e/test.mk
index e30a19eb3..20915076a 100644
--- a/test/libc/nexgen32e/test.mk
+++ b/test/libc/nexgen32e/test.mk
@@ -32,7 +32,6 @@ TEST_LIBC_NEXGEN32E_DIRECTDEPS =				\
 	LIBC_LOG						\
 	LIBC_MEM						\
 	LIBC_NEXGEN32E						\
-	LIBC_RAND						\
 	LIBC_RUNTIME						\
 	LIBC_STDIO						\
 	LIBC_STR						\
diff --git a/test/libc/rand/test.mk b/test/libc/rand/test.mk
deleted file mode 100644
index 8c00959e8..000000000
--- a/test/libc/rand/test.mk
+++ /dev/null
@@ -1,67 +0,0 @@
-#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
-#───vi: set et ft=make ts=8 tw=8 fenc=utf-8 :vi───────────────────────┘
-
-PKGS += TEST_LIBC_RAND
-
-TEST_LIBC_RAND_SRCS := $(wildcard test/libc/rand/*.c)
-TEST_LIBC_RAND_SRCS_TEST = $(filter %_test.c,$(TEST_LIBC_RAND_SRCS))
-TEST_LIBC_RAND_BINS = $(TEST_LIBC_RAND_COMS) $(TEST_LIBC_RAND_COMS:%=%.dbg)
-
-TEST_LIBC_RAND_OBJS =					\
-	$(TEST_LIBC_RAND_SRCS:%.c=o/$(MODE)/%.o)
-
-TEST_LIBC_RAND_COMS =					\
-	$(TEST_LIBC_RAND_SRCS:%.c=o/$(MODE)/%.com)
-
-TEST_LIBC_RAND_TESTS = $(TEST_LIBC_RAND_SRCS_TEST:%.c=o/$(MODE)/%.com.ok)
-
-TEST_LIBC_RAND_CHECKS =					\
-	$(TEST_LIBC_RAND_SRCS_TEST:%.c=o/$(MODE)/%.com.runs)
-
-TEST_LIBC_RAND_DIRECTDEPS =				\
-	LIBC_FMT					\
-	LIBC_INTRIN					\
-	LIBC_TINYMATH					\
-	LIBC_MEM					\
-	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
-	LIBC_RUNTIME					\
-	LIBC_STDIO					\
-	LIBC_STR					\
-	LIBC_STUBS					\
-	LIBC_CALLS					\
-	LIBC_THREAD					\
-	LIBC_LOG					\
-	LIBC_SYSV					\
-	LIBC_TESTLIB					\
-	LIBC_UNICODE					\
-	LIBC_X						\
-	THIRD_PARTY_GDTOA				\
-	THIRD_PARTY_MBEDTLS
-
-TEST_LIBC_RAND_DEPS :=					\
-	$(call uniq,$(foreach x,$(TEST_LIBC_RAND_DIRECTDEPS),$($(x))))
-
-o/$(MODE)/test/libc/rand/rand.pkg:			\
-		$(TEST_LIBC_RAND_OBJS)			\
-		$(foreach x,$(TEST_LIBC_RAND_DIRECTDEPS),$($(x)_A).pkg)
-
-o/$(MODE)/test/libc/rand/%.com.dbg:			\
-		$(TEST_LIBC_RAND_DEPS)			\
-		o/$(MODE)/test/libc/rand/%.o		\
-		o/$(MODE)/test/libc/rand/rand.pkg	\
-		$(LIBC_TESTMAIN)			\
-		$(CRT)					\
-		$(APE_NO_MODIFY_SELF)
-	@$(APELINK)
-
-$(TEST_LIBC_RAND_OBJS): test/libc/rand/test.mk
-
-$(TEST_LIBC_RAND_OBJS): private				\
-	DEFAULT_CCFLAGS +=				\
-		-fno-builtin
-
-.PHONY: o/$(MODE)/test/libc/rand
-o/$(MODE)/test/libc/rand:				\
-		$(TEST_LIBC_RAND_BINS)			\
-		$(TEST_LIBC_RAND_CHECKS)
diff --git a/test/libc/runtime/mmap_test.c b/test/libc/runtime/mmap_test.c
index e3ed3d042..f8ecbcdce 100644
--- a/test/libc/runtime/mmap_test.c
+++ b/test/libc/runtime/mmap_test.c
@@ -29,7 +29,7 @@
 #include "libc/linux/munmap.h"
 #include "libc/log/log.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/memtrack.internal.h"
 #include "libc/runtime/runtime.h"
diff --git a/test/libc/runtime/test.mk b/test/libc/runtime/test.mk
index 3c0d22553..8a612ec4a 100644
--- a/test/libc/runtime/test.mk
+++ b/test/libc/runtime/test.mk
@@ -30,7 +30,6 @@ TEST_LIBC_RUNTIME_DIRECTDEPS =					\
 	LIBC_LOG						\
 	LIBC_MEM						\
 	LIBC_NEXGEN32E						\
-	LIBC_RAND						\
 	LIBC_RUNTIME						\
 	LIBC_STDIO						\
 	LIBC_STR						\
diff --git a/test/libc/rand/devrand_test.c b/test/libc/stdio/devrand_test.c
similarity index 98%
rename from test/libc/rand/devrand_test.c
rename to test/libc/stdio/devrand_test.c
index a416c5cb1..bcc2b1e80 100644
--- a/test/libc/rand/devrand_test.c
+++ b/test/libc/stdio/devrand_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/dce.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/str/str.h"
 #include "libc/testlib/testlib.h"
diff --git a/test/libc/stdio/dirstream_test.c b/test/libc/stdio/dirstream_test.c
index 5f2ce3641..80ee0b000 100644
--- a/test/libc/stdio/dirstream_test.c
+++ b/test/libc/stdio/dirstream_test.c
@@ -20,7 +20,7 @@
 #include "libc/calls/struct/dirent.h"
 #include "libc/dce.h"
 #include "libc/errno.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/str/str.h"
diff --git a/test/libc/stdio/fwrite_test.c b/test/libc/stdio/fwrite_test.c
index f86afc015..db284b10d 100644
--- a/test/libc/stdio/fwrite_test.c
+++ b/test/libc/stdio/fwrite_test.c
@@ -21,7 +21,7 @@
 #include "libc/dce.h"
 #include "libc/errno.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
diff --git a/test/libc/rand/getrandom_test.c b/test/libc/stdio/getrandom_test.c
similarity index 99%
rename from test/libc/rand/getrandom_test.c
rename to test/libc/stdio/getrandom_test.c
index 89368afbc..231754861 100644
--- a/test/libc/rand/getrandom_test.c
+++ b/test/libc/stdio/getrandom_test.c
@@ -20,8 +20,8 @@
 #include "libc/log/check.h"
 #include "libc/math.h"
 #include "libc/nexgen32e/x86feature.h"
-#include "libc/rand/lcg.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/lcg.internal.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
 #include "libc/sysv/consts/grnd.h"
diff --git a/test/libc/rand/mt19937_test.c b/test/libc/stdio/mt19937_test.c
similarity index 99%
rename from test/libc/rand/mt19937_test.c
rename to test/libc/stdio/mt19937_test.c
index 0274db013..53cbd1179 100644
--- a/test/libc/rand/mt19937_test.c
+++ b/test/libc/stdio/mt19937_test.c
@@ -21,7 +21,7 @@
 #include "libc/log/check.h"
 #include "libc/macros.internal.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
diff --git a/test/libc/rand/rand_test.c b/test/libc/stdio/rand_test.c
similarity index 98%
rename from test/libc/rand/rand_test.c
rename to test/libc/stdio/rand_test.c
index 2982b9369..9af0ac52a 100644
--- a/test/libc/rand/rand_test.c
+++ b/test/libc/stdio/rand_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/intrin/bits.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/str/str.h"
 #include "libc/testlib/hyperion.h"
 #include "libc/testlib/testlib.h"
diff --git a/test/libc/rand/rngset_test.c b/test/libc/stdio/rngset_test.c
similarity index 99%
rename from test/libc/rand/rngset_test.c
rename to test/libc/stdio/rngset_test.c
index 957817e81..7f9f80cc6 100644
--- a/test/libc/rand/rngset_test.c
+++ b/test/libc/stdio/rngset_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/intrin/bits.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/testlib/testlib.h"
 
 uint64_t counter(void) {
diff --git a/test/libc/stdio/test.mk b/test/libc/stdio/test.mk
index c5e59f05c..2f5191e97 100644
--- a/test/libc/stdio/test.mk
+++ b/test/libc/stdio/test.mk
@@ -28,7 +28,6 @@ TEST_LIBC_STDIO_DIRECTDEPS =				\
 	LIBC_INTRIN					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_STDIO					\
 	LIBC_STR					\
@@ -43,6 +42,7 @@ TEST_LIBC_STDIO_DIRECTDEPS =				\
 	LIBC_X						\
 	LIBC_ZIPOS					\
 	THIRD_PARTY_GDTOA				\
+	THIRD_PARTY_MBEDTLS				\
 	THIRD_PARTY_MUSL				\
 	THIRD_PARTY_ZLIB				\
 	THIRD_PARTY_ZLIB_GZ
diff --git a/test/libc/str/blake2_test.c b/test/libc/str/blake2_test.c
index 22381049b..cee7d1f22 100644
--- a/test/libc/str/blake2_test.c
+++ b/test/libc/str/blake2_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/assert.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/str/blake2.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/libc/str/bzero_test.c b/test/libc/str/bzero_test.c
index 6f0ced315..c2f23efcb 100644
--- a/test/libc/str/bzero_test.c
+++ b/test/libc/str/bzero_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/test/libc/str/highwayhash64_test.c b/test/libc/str/highwayhash64_test.c
index b791d3e28..681d4d853 100644
--- a/test/libc/str/highwayhash64_test.c
+++ b/test/libc/str/highwayhash64_test.c
@@ -17,7 +17,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/inttypes.h"
 #include "libc/nexgen32e/crc32.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/highwayhash64.h"
 #include "libc/str/str.h"
diff --git a/test/libc/str/longsort_test.c b/test/libc/str/longsort_test.c
index 6487d6f2f..bdc007e8c 100644
--- a/test/libc/str/longsort_test.c
+++ b/test/libc/str/longsort_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/alg/alg.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/str/str.h"
diff --git a/test/libc/str/memccpy_test.c b/test/libc/str/memccpy_test.c
index 3579352a7..76bb68493 100644
--- a/test/libc/str/memccpy_test.c
+++ b/test/libc/str/memccpy_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/libc/str/memcpy_test.c b/test/libc/str/memcpy_test.c
index ee6452817..aae1f1301 100644
--- a/test/libc/str/memcpy_test.c
+++ b/test/libc/str/memcpy_test.c
@@ -19,7 +19,7 @@
 #include "libc/intrin/bits.h"
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/nexgen32e.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/libc/str/memmem_test.c b/test/libc/str/memmem_test.c
index eb9c28a8e..2134a8ab3 100644
--- a/test/libc/str/memmem_test.c
+++ b/test/libc/str/memmem_test.c
@@ -20,7 +20,7 @@
 #include "libc/intrin/bits.h"
 #include "libc/intrin/likely.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/str/internal.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/libc/str/memrchr_test.c b/test/libc/str/memrchr_test.c
index c6e2f331f..ae3e2137f 100644
--- a/test/libc/str/memrchr_test.c
+++ b/test/libc/str/memrchr_test.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/hyperion.h"
diff --git a/test/libc/str/qsort_test.c b/test/libc/str/qsort_test.c
index 17fdad838..63bfb2d1f 100644
--- a/test/libc/str/qsort_test.c
+++ b/test/libc/str/qsort_test.c
@@ -21,7 +21,7 @@
 #include "libc/macros.internal.h"
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/bsr.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/libc/str/strchr_test.c b/test/libc/str/strchr_test.c
index b297131c4..37d85e7e9 100644
--- a/test/libc/str/strchr_test.c
+++ b/test/libc/str/strchr_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/intrin/bits.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/hyperion.h"
diff --git a/test/libc/str/strcmp_test.c b/test/libc/str/strcmp_test.c
index ff2ebeb80..a45e953e7 100644
--- a/test/libc/str/strcmp_test.c
+++ b/test/libc/str/strcmp_test.c
@@ -23,7 +23,7 @@
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/cachesize.h"
 #include "libc/nexgen32e/x86feature.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/test/libc/str/test.mk b/test/libc/str/test.mk
index 4d1cef43b..e786f7095 100644
--- a/test/libc/str/test.mk
+++ b/test/libc/str/test.mk
@@ -39,7 +39,6 @@ TEST_LIBC_STR_DIRECTDEPS =						\
 	LIBC_TINYMATH							\
 	LIBC_MEM							\
 	LIBC_NEXGEN32E							\
-	LIBC_RAND							\
 	LIBC_RUNTIME							\
 	LIBC_STDIO							\
 	LIBC_STR							\
diff --git a/test/libc/str/tpenc_test.c b/test/libc/str/tpenc_test.c
index 7d262e518..9fa94d563 100644
--- a/test/libc/str/tpenc_test.c
+++ b/test/libc/str/tpenc_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/limits.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 #include "libc/str/tpenc.h"
diff --git a/test/libc/tinymath/acos_test.c b/test/libc/tinymath/acos_test.c
index 0a8b22a71..90a97e836 100644
--- a/test/libc/tinymath/acos_test.c
+++ b/test/libc/tinymath/acos_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/math.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
diff --git a/test/libc/tinymath/asin_test.c b/test/libc/tinymath/asin_test.c
index 778d8afef..ac714c3a2 100644
--- a/test/libc/tinymath/asin_test.c
+++ b/test/libc/tinymath/asin_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/math.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
diff --git a/test/libc/tinymath/fmod_test.c b/test/libc/tinymath/fmod_test.c
index ea9a3463f..0bcfad25d 100644
--- a/test/libc/tinymath/fmod_test.c
+++ b/test/libc/tinymath/fmod_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/math.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
diff --git a/test/libc/tinymath/ldexp_test.c b/test/libc/tinymath/ldexp_test.c
index eb291d559..e8c482702 100644
--- a/test/libc/tinymath/ldexp_test.c
+++ b/test/libc/tinymath/ldexp_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/math.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/libc/rand/measureentropy_test.c b/test/libc/tinymath/measureentropy_test.c
similarity index 99%
rename from test/libc/rand/measureentropy_test.c
rename to test/libc/tinymath/measureentropy_test.c
index feeaf3f93..1f8ca09bd 100644
--- a/test/libc/rand/measureentropy_test.c
+++ b/test/libc/tinymath/measureentropy_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/math.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/hyperion.h"
diff --git a/test/libc/tinymath/powl_test.c b/test/libc/tinymath/powl_test.c
index 64a1ab0bb..c00bc8aa1 100644
--- a/test/libc/tinymath/powl_test.c
+++ b/test/libc/tinymath/powl_test.c
@@ -23,7 +23,7 @@
 #include "libc/fmt/fmt.h"
 #include "libc/macros.internal.h"
 #include "libc/math.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/pc.internal.h"
 #include "libc/stdio/stdio.h"
diff --git a/test/libc/tinymath/test.mk b/test/libc/tinymath/test.mk
index 86133b3ed..5df1991ce 100644
--- a/test/libc/tinymath/test.mk
+++ b/test/libc/tinymath/test.mk
@@ -28,7 +28,6 @@ TEST_LIBC_TINYMATH_DIRECTDEPS =					\
 	LIBC_INTRIN						\
 	LIBC_MEM						\
 	LIBC_NEXGEN32E						\
-	LIBC_RAND						\
 	LIBC_STDIO						\
 	LIBC_RUNTIME						\
 	LIBC_STR						\
diff --git a/test/libc/x/filecmp_test.c b/test/libc/x/filecmp_test.c
index 578d262d9..0d989a707 100644
--- a/test/libc/x/filecmp_test.c
+++ b/test/libc/x/filecmp_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/sysv/consts/madv.h"
diff --git a/test/libc/x/test.mk b/test/libc/x/test.mk
index ef812823c..06f3aaa4b 100644
--- a/test/libc/x/test.mk
+++ b/test/libc/x/test.mk
@@ -31,7 +31,6 @@ TEST_LIBC_X_DIRECTDEPS =			\
 	LIBC_RUNTIME				\
 	LIBC_STDIO				\
 	LIBC_STR				\
-	LIBC_RAND				\
 	LIBC_SOCK				\
 	LIBC_STUBS				\
 	LIBC_SYSV				\
diff --git a/test/net/finger/describesyn_test.c b/test/net/finger/describesyn_test.c
index 563df88f9..a977098a6 100644
--- a/test/net/finger/describesyn_test.c
+++ b/test/net/finger/describesyn_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/log/check.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/str/str.h"
 #include "libc/testlib/testlib.h"
 #include "net/finger/finger.h"
diff --git a/test/net/http/encodebase64_test.c b/test/net/http/encodebase64_test.c
index 14639b878..7b8df1382 100644
--- a/test/net/http/encodebase64_test.c
+++ b/test/net/http/encodebase64_test.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/net/http/parseurl_test.c b/test/net/http/parseurl_test.c
index 7c7b333dc..a67326ce2 100644
--- a/test/net/http/parseurl_test.c
+++ b/test/net/http/parseurl_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/limits.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/net/https/mbedtls_test.c b/test/net/https/mbedtls_test.c
index dc3d67a17..c6095b4b0 100644
--- a/test/net/https/mbedtls_test.c
+++ b/test/net/https/mbedtls_test.c
@@ -23,7 +23,7 @@
 #include "libc/nexgen32e/nexgen32e.h"
 #include "libc/nexgen32e/x86feature.h"
 #include "libc/nt/typedef/imagetlscallback.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/str/blake2.h"
diff --git a/test/tool/build/lib/disinst_test.c b/test/tool/build/lib/disinst_test.c
index e34dd58e0..7cc355b05 100644
--- a/test/tool/build/lib/disinst_test.c
+++ b/test/tool/build/lib/disinst_test.c
@@ -16,8 +16,8 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/lcg.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/lcg.internal.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
diff --git a/test/tool/net/test.mk b/test/tool/net/test.mk
index 9027f77c8..7e9e669ba 100644
--- a/test/tool/net/test.mk
+++ b/test/tool/net/test.mk
@@ -35,7 +35,6 @@ TEST_TOOL_NET_DIRECTDEPS =					\
 	LIBC_LOG						\
 	LIBC_MEM						\
 	LIBC_NEXGEN32E						\
-	LIBC_RAND						\
 	LIBC_RUNTIME						\
 	LIBC_SOCK						\
 	LIBC_STDIO						\
diff --git a/test/tool/viz/lib/bilinearscale_test.c b/test/tool/viz/lib/bilinearscale_test.c
index 1fa2f1d00..3726536e4 100644
--- a/test/tool/viz/lib/bilinearscale_test.c
+++ b/test/tool/viz/lib/bilinearscale_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/log/log.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
 #include "libc/x/x.h"
diff --git a/test/tool/viz/lib/fun_test.c b/test/tool/viz/lib/fun_test.c
index 3ea04447a..392279562 100644
--- a/test/tool/viz/lib/fun_test.c
+++ b/test/tool/viz/lib/fun_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/log/check.h"
 #include "libc/macros.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/test/tool/viz/lib/test.mk b/test/tool/viz/lib/test.mk
index ca85dda17..491d3d36c 100644
--- a/test/tool/viz/lib/test.mk
+++ b/test/tool/viz/lib/test.mk
@@ -30,7 +30,6 @@ TEST_TOOL_VIZ_LIB_DIRECTDEPS =				\
 	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_STDIO					\
 	LIBC_STUBS					\
diff --git a/test/tool/viz/lib/ycbcr2rgb2_test.c b/test/tool/viz/lib/ycbcr2rgb2_test.c
index ac63a5b33..e07ffa9e5 100644
--- a/test/tool/viz/lib/ycbcr2rgb2_test.c
+++ b/test/tool/viz/lib/ycbcr2rgb2_test.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "dsp/mpeg/mpeg.h"
 #include "libc/macros.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/third_party/bzip2/bzip2.mk b/third_party/bzip2/bzip2.mk
index e25627698..cd4427bfe 100644
--- a/third_party/bzip2/bzip2.mk
+++ b/third_party/bzip2/bzip2.mk
@@ -28,7 +28,6 @@ THIRD_PARTY_BZIP2_A_DIRECTDEPS =				\
 	LIBC_LOG						\
 	LIBC_MEM						\
 	LIBC_NEXGEN32E						\
-	LIBC_RAND						\
 	LIBC_RUNTIME						\
 	LIBC_STDIO						\
 	LIBC_STR						\
diff --git a/third_party/bzip2/spewG.c b/third_party/bzip2/spewG.c
index 2d65b8d60..4af0a5cfa 100644
--- a/third_party/bzip2/spewG.c
+++ b/third_party/bzip2/spewG.c
@@ -1,4 +1,4 @@
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 /* clang-format off */
 
diff --git a/third_party/dlmalloc/dlmalloc.c b/third_party/dlmalloc/dlmalloc.c
index c5210effe..ee7eece36 100644
--- a/third_party/dlmalloc/dlmalloc.c
+++ b/third_party/dlmalloc/dlmalloc.c
@@ -9,7 +9,7 @@
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/bsr.h"
 #include "libc/nexgen32e/rdtsc.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/runtime/sysconf.h"
 #include "libc/stdio/stdio.h"
diff --git a/third_party/dlmalloc/dlmalloc.mk b/third_party/dlmalloc/dlmalloc.mk
index ce95c5843..a4e1c34fd 100644
--- a/third_party/dlmalloc/dlmalloc.mk
+++ b/third_party/dlmalloc/dlmalloc.mk
@@ -31,7 +31,6 @@ THIRD_PARTY_DLMALLOC_A_DIRECTDEPS =				\
 	LIBC_NEXGEN32E						\
 	LIBC_RUNTIME						\
 	LIBC_STR						\
-	LIBC_RAND						\
 	LIBC_STUBS						\
 	LIBC_SYSV						\
 	LIBC_SYSV_CALLS						\
diff --git a/third_party/double-conversion/double-conversion.mk b/third_party/double-conversion/double-conversion.mk
index 60ad6113b..eb68607ae 100644
--- a/third_party/double-conversion/double-conversion.mk
+++ b/third_party/double-conversion/double-conversion.mk
@@ -68,7 +68,6 @@ THIRD_PARTY_DOUBLECONVERSION_A_DIRECTDEPS =					\
 	LIBC_NEXGEN32E								\
 	LIBC_MEM								\
 	LIBC_RUNTIME								\
-	LIBC_RAND								\
 	LIBC_STDIO								\
 	LIBC_FMT								\
 	LIBC_SYSV								\
diff --git a/third_party/libcxx/libcxx.mk b/third_party/libcxx/libcxx.mk
index 924734a25..040c1fd73 100644
--- a/third_party/libcxx/libcxx.mk
+++ b/third_party/libcxx/libcxx.mk
@@ -156,7 +156,6 @@ THIRD_PARTY_LIBCXX_A_DIRECTDEPS =				\
 	LIBC_INTRIN						\
 	LIBC_MEM						\
 	LIBC_NEXGEN32E						\
-	LIBC_RAND						\
 	LIBC_RUNTIME						\
 	LIBC_STDIO						\
 	LIBC_STR						\
diff --git a/third_party/libcxx/random.cc b/third_party/libcxx/random.cc
index de7591190..c9711339f 100644
--- a/third_party/libcxx/random.cc
+++ b/third_party/libcxx/random.cc
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "third_party/libcxx/__config"
 #include "third_party/libcxx/random"
 #include "third_party/libcxx/system_error"
diff --git a/third_party/mbedtls/mbedtls.mk b/third_party/mbedtls/mbedtls.mk
index 90f35ab9f..afab323c1 100644
--- a/third_party/mbedtls/mbedtls.mk
+++ b/third_party/mbedtls/mbedtls.mk
@@ -22,7 +22,6 @@ THIRD_PARTY_MBEDTLS_A_DIRECTDEPS =					\
 	LIBC_INTRIN							\
 	LIBC_MEM							\
 	LIBC_NEXGEN32E							\
-	LIBC_RAND							\
 	LIBC_RUNTIME							\
 	LIBC_SOCK							\
 	LIBC_LOG							\
diff --git a/third_party/mbedtls/rando.c b/third_party/mbedtls/rando.c
index 77f5b07bd..79911352b 100644
--- a/third_party/mbedtls/rando.c
+++ b/third_party/mbedtls/rando.c
@@ -17,7 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/nexgen32e/x86feature.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/sysv/consts/grnd.h"
 #include "third_party/mbedtls/entropy_poll.h"
 
diff --git a/third_party/mbedtls/rsa.c b/third_party/mbedtls/rsa.c
index e2aa45dc5..d80e88dd2 100644
--- a/third_party/mbedtls/rsa.c
+++ b/third_party/mbedtls/rsa.c
@@ -17,7 +17,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/strace.internal.h"
 #include "libc/intrin/kprintf.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "third_party/mbedtls/common.h"
 #include "third_party/mbedtls/error.h"
diff --git a/third_party/mbedtls/test/everest_test.c b/third_party/mbedtls/test/everest_test.c
index c9abc7825..79d5c486b 100644
--- a/third_party/mbedtls/test/everest_test.c
+++ b/third_party/mbedtls/test/everest_test.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/third_party/mbedtls/test/lib.c b/third_party/mbedtls/test/lib.c
index ba39d5f1b..df0ba548e 100644
--- a/third_party/mbedtls/test/lib.c
+++ b/third_party/mbedtls/test/lib.c
@@ -29,7 +29,7 @@
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/vendor.internal.h"
 #include "libc/nt/runtime.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/runtime/symbols.internal.h"
diff --git a/third_party/mbedtls/test/secp384r1_test.c b/third_party/mbedtls/test/secp384r1_test.c
index 8525ccce3..2c78465ba 100644
--- a/third_party/mbedtls/test/secp384r1_test.c
+++ b/third_party/mbedtls/test/secp384r1_test.c
@@ -16,7 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 #include "libc/testlib/ezbench.h"
diff --git a/third_party/mbedtls/test/test.mk b/third_party/mbedtls/test/test.mk
index 13e386432..1b6b20fa2 100644
--- a/third_party/mbedtls/test/test.mk
+++ b/third_party/mbedtls/test/test.mk
@@ -101,7 +101,6 @@ THIRD_PARTY_MBEDTLS_TEST_DIRECTDEPS =										\
 	LIBC_MEM												\
 	LIBC_NEXGEN32E												\
 	LIBC_NT_KERNEL32											\
-	LIBC_RAND												\
 	LIBC_RUNTIME												\
 	LIBC_STDIO												\
 	LIBC_STR												\
diff --git a/third_party/mbedtls/test/test_suite_ssl.c b/third_party/mbedtls/test/test_suite_ssl.c
index 093cc3d8b..7927c3b5c 100644
--- a/third_party/mbedtls/test/test_suite_ssl.c
+++ b/third_party/mbedtls/test/test_suite_ssl.c
@@ -19,7 +19,7 @@
 #include "third_party/mbedtls/ssl_invasive.h"
 #include "libc/testlib/testlib.h"
 #include "libc/log/log.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/intrin/safemacros.internal.h"
 #include "third_party/mbedtls/test/test.inc"
 /*
diff --git a/third_party/musl/crypt_sha256.c b/third_party/musl/crypt_sha256.c
index ec2e38a7d..9e3b35f19 100644
--- a/third_party/musl/crypt_sha256.c
+++ b/third_party/musl/crypt_sha256.c
@@ -33,7 +33,7 @@
 #include "libc/literal.h"
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/nexgen32e.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
 #include "libc/stdio/temp.h"
diff --git a/third_party/musl/crypt_sha512.c b/third_party/musl/crypt_sha512.c
index 48a4d1b12..82e95194f 100644
--- a/third_party/musl/crypt_sha512.c
+++ b/third_party/musl/crypt_sha512.c
@@ -33,7 +33,7 @@
 #include "libc/literal.h"
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/nexgen32e.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
 #include "libc/stdio/temp.h"
diff --git a/third_party/musl/encrypt.c b/third_party/musl/encrypt.c
index 5e25ed62c..e20a8342e 100644
--- a/third_party/musl/encrypt.c
+++ b/third_party/musl/encrypt.c
@@ -32,7 +32,7 @@
 #include "libc/limits.h"
 #include "libc/literal.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/temp.h"
 #include "libc/sysv/consts/exit.h"
diff --git a/third_party/python/Modules/_randommodule.c b/third_party/python/Modules/_randommodule.c
index e543efd90..f1d52d203 100644
--- a/third_party/python/Modules/_randommodule.c
+++ b/third_party/python/Modules/_randommodule.c
@@ -7,7 +7,7 @@
 #include "libc/intrin/bits.h"
 #include "libc/calls/calls.h"
 #include "libc/nexgen32e/x86feature.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/sysv/consts/grnd.h"
 #include "third_party/python/Include/floatobject.h"
diff --git a/third_party/python/Modules/expat/xmlparse.c b/third_party/python/Modules/expat/xmlparse.c
index c5a16dbff..0c4594fba 100644
--- a/third_party/python/Modules/expat/xmlparse.c
+++ b/third_party/python/Modules/expat/xmlparse.c
@@ -6,7 +6,7 @@
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/rdtsc.h"
 #include "libc/nexgen32e/x86feature.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/third_party/python/Python/random.c b/third_party/python/Python/random.c
index ea905e280..1de52b6a1 100644
--- a/third_party/python/Python/random.c
+++ b/third_party/python/Python/random.c
@@ -11,7 +11,7 @@
 #include "libc/fmt/conv.h"
 #include "libc/macros.internal.h"
 #include "libc/nexgen32e/rdtsc.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/str/str.h"
 #include "libc/sysv/consts/auxv.h"
diff --git a/third_party/python/python.mk b/third_party/python/python.mk
index 6e2e97b4f..f87b0b2f3 100644
--- a/third_party/python/python.mk
+++ b/third_party/python/python.mk
@@ -449,7 +449,6 @@ THIRD_PARTY_PYTHON_STAGE1_A_DIRECTDEPS =				\
 	LIBC_MEM							\
 	LIBC_NEXGEN32E							\
 	LIBC_NT_KERNEL32						\
-	LIBC_RAND							\
 	LIBC_RUNTIME							\
 	LIBC_STDIO							\
 	LIBC_STR							\
@@ -1130,7 +1129,6 @@ THIRD_PARTY_PYTHON_STAGE2_A_DIRECTDEPS =				\
 	LIBC_MEM							\
 	LIBC_NEXGEN32E							\
 	LIBC_NT_KERNEL32						\
-	LIBC_RAND							\
 	LIBC_RUNTIME							\
 	LIBC_SOCK							\
 	LIBC_STDIO							\
diff --git a/third_party/sqlite3/os_unix.c b/third_party/sqlite3/os_unix.c
index 9529293cd..a194f2539 100644
--- a/third_party/sqlite3/os_unix.c
+++ b/third_party/sqlite3/os_unix.c
@@ -44,7 +44,7 @@
 **   *  Definitions of sqlite3_vfs objects for all locking methods
 **      plus implementations of sqlite3_os_init() and sqlite3_os_end().
 */
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/sysv/consts/lock.h"
 #include "libc/calls/struct/stat.h"
 #include "libc/sysv/consts/s.h"
diff --git a/third_party/sqlite3/sqlite3.mk b/third_party/sqlite3/sqlite3.mk
index 542b3dfbe..9076f84a4 100644
--- a/third_party/sqlite3/sqlite3.mk
+++ b/third_party/sqlite3/sqlite3.mk
@@ -56,7 +56,6 @@ THIRD_PARTY_SQLITE3_A_DIRECTDEPS =					\
 	LIBC_SYSV							\
 	LIBC_SYSV_CALLS							\
 	LIBC_TIME							\
-	LIBC_RAND							\
 	LIBC_TINYMATH							\
 	LIBC_UNICODE							\
 	THIRD_PARTY_GDTOA						\
diff --git a/third_party/zip/crypt.c b/third_party/zip/crypt.c
index 5e0155f9b..18a0ea12b 100644
--- a/third_party/zip/crypt.c
+++ b/third_party/zip/crypt.c
@@ -3,7 +3,7 @@
 #include "third_party/zip/zip.h"
 #include "third_party/zip/crypt.h"
 #include "third_party/zip/ttyio.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 /*
   Copyright (c) 1990-2008 Info-ZIP.  All rights reserved.
 
diff --git a/third_party/zip/zip.mk b/third_party/zip/zip.mk
index 493e369af..a74f6c782 100644
--- a/third_party/zip/zip.mk
+++ b/third_party/zip/zip.mk
@@ -85,7 +85,6 @@ THIRD_PARTY_ZIP_DIRECTDEPS =			\
 	LIBC_LOG				\
 	LIBC_MEM				\
 	LIBC_NEXGEN32E				\
-	LIBC_RAND				\
 	LIBC_RUNTIME				\
 	LIBC_STDIO				\
 	LIBC_STR				\
diff --git a/tool/build/blinkenlights.c b/tool/build/blinkenlights.c
index 8826bb40b..af867a057 100644
--- a/tool/build/blinkenlights.c
+++ b/tool/build/blinkenlights.c
@@ -46,7 +46,7 @@
 #include "libc/macros.internal.h"
 #include "libc/math.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/sock/sock.h"
diff --git a/tool/build/build.mk b/tool/build/build.mk
index c15f79586..2a23b4c97 100644
--- a/tool/build/build.mk
+++ b/tool/build/build.mk
@@ -49,7 +49,6 @@ TOOL_BUILD_DIRECTDEPS =					\
 	LIBC_NT_KERNEL32				\
 	LIBC_NT_USER32					\
 	LIBC_NT_WS2_32					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_SOCK					\
 	LIBC_STDIO					\
diff --git a/tool/build/calculator.c b/tool/build/calculator.c
index aabc49ce3..fa94ad025 100644
--- a/tool/build/calculator.c
+++ b/tool/build/calculator.c
@@ -25,7 +25,7 @@
 #include "libc/macros.internal.h"
 #include "libc/math.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/tool/build/lib/buildlib.mk b/tool/build/lib/buildlib.mk
index 496292617..88d759202 100644
--- a/tool/build/lib/buildlib.mk
+++ b/tool/build/lib/buildlib.mk
@@ -40,7 +40,6 @@ TOOL_BUILD_LIB_A_DIRECTDEPS =				\
 	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_SOCK					\
 	LIBC_STDIO					\
diff --git a/tool/build/lib/elfwriter_zip.c b/tool/build/lib/elfwriter_zip.c
index 93c5ccce6..b89dd5bcf 100644
--- a/tool/build/lib/elfwriter_zip.c
+++ b/tool/build/lib/elfwriter_zip.c
@@ -26,7 +26,7 @@
 #include "libc/log/check.h"
 #include "libc/nexgen32e/crc32.h"
 #include "libc/nt/enum/fileflagandattributes.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/sysv/consts/s.h"
 #include "libc/time/struct/tm.h"
diff --git a/tool/build/lib/eztls.c b/tool/build/lib/eztls.c
index 18093329a..e52d745be 100644
--- a/tool/build/lib/eztls.c
+++ b/tool/build/lib/eztls.c
@@ -21,7 +21,7 @@
 #include "libc/errno.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/sock/sock.h"
 #include "libc/sysv/consts/sig.h"
 #include "libc/x/x.h"
diff --git a/tool/build/lib/machine.c b/tool/build/lib/machine.c
index 0cf9a0d01..110832c41 100644
--- a/tool/build/lib/machine.c
+++ b/tool/build/lib/machine.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/log/check.h"
 #include "libc/macros.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/str/str.h"
 #include "tool/build/lib/abp.h"
diff --git a/tool/decode/decode.mk b/tool/decode/decode.mk
index 997b22a79..bfa304d2a 100644
--- a/tool/decode/decode.mk
+++ b/tool/decode/decode.mk
@@ -28,8 +28,6 @@ TOOL_DECODE_DIRECTDEPS =				\
 	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
-	LIBC_RUNTIME					\
 	LIBC_RUNTIME					\
 	LIBC_STDIO					\
 	LIBC_STR					\
@@ -37,6 +35,7 @@ TOOL_DECODE_DIRECTDEPS =				\
 	LIBC_SYSV					\
 	LIBC_SYSV_CALLS					\
 	LIBC_TIME					\
+	LIBC_TINYMATH					\
 	LIBC_UNICODE					\
 	LIBC_X						\
 	THIRD_PARTY_GDTOA				\
diff --git a/tool/decode/ent.c b/tool/decode/ent.c
index e4b9fab11..a49723dda 100644
--- a/tool/decode/ent.c
+++ b/tool/decode/ent.c
@@ -27,7 +27,7 @@
 
 #include "libc/calls/calls.h"
 #include "libc/math.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 #include "third_party/getopt/getopt.h"
diff --git a/tool/lambda/lib/lib.mk b/tool/lambda/lib/lib.mk
index 765161006..03b042637 100644
--- a/tool/lambda/lib/lib.mk
+++ b/tool/lambda/lib/lib.mk
@@ -28,7 +28,6 @@ TOOL_LAMBDA_LIB_A_DIRECTDEPS =				\
 	LIBC_INTRIN					\
 	LIBC_LOG					\
 	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_UNICODE					\
 	LIBC_MEM					\
diff --git a/tool/net/echo.c b/tool/net/echo.c
index 3748dcf90..237ab28c0 100644
--- a/tool/net/echo.c
+++ b/tool/net/echo.c
@@ -20,7 +20,7 @@
 #include "libc/fmt/conv.h"
 #include "libc/intrin/kprintf.h"
 #include "libc/log/check.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/sock/sock.h"
 #include "libc/sock/struct/sockaddr.h"
diff --git a/tool/net/lfuncs.c b/tool/net/lfuncs.c
index 36d52afac..51efeecf6 100644
--- a/tool/net/lfuncs.c
+++ b/tool/net/lfuncs.c
@@ -38,7 +38,7 @@
 #include "libc/nexgen32e/crc32.h"
 #include "libc/nexgen32e/rdtsc.h"
 #include "libc/nexgen32e/rdtscp.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/runtime/sysconf.h"
diff --git a/tool/net/net.mk b/tool/net/net.mk
index e95f9c556..0a0b9bd9c 100644
--- a/tool/net/net.mk
+++ b/tool/net/net.mk
@@ -39,7 +39,6 @@ TOOL_NET_DIRECTDEPS =								\
 	LIBC_NEXGEN32E								\
 	LIBC_NT_IPHLPAPI							\
 	LIBC_NT_KERNEL32							\
-	LIBC_RAND								\
 	LIBC_RUNTIME								\
 	LIBC_SOCK								\
 	LIBC_STDIO								\
diff --git a/tool/net/redbean.c b/tool/net/redbean.c
index 7ef129757..f269d1f9f 100644
--- a/tool/net/redbean.c
+++ b/tool/net/redbean.c
@@ -54,7 +54,7 @@
 #include "libc/nexgen32e/x86feature.h"
 #include "libc/nt/enum/fileflagandattributes.h"
 #include "libc/nt/thread.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/clktck.h"
 #include "libc/runtime/gc.h"
 #include "libc/runtime/gc.internal.h"
diff --git a/tool/net/wb.c b/tool/net/wb.c
index 62979fe68..da66f3e5e 100644
--- a/tool/net/wb.c
+++ b/tool/net/wb.c
@@ -26,7 +26,7 @@
 #include "libc/macros.internal.h"
 #include "libc/math.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/sock/goodsocket.internal.h"
 #include "libc/sock/sock.h"
diff --git a/tool/plinko/lib/lib.mk b/tool/plinko/lib/lib.mk
index 1f3b6de8d..b07702961 100644
--- a/tool/plinko/lib/lib.mk
+++ b/tool/plinko/lib/lib.mk
@@ -30,7 +30,6 @@ TOOL_PLINKO_LIB_A_DIRECTDEPS =				\
 	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_SOCK					\
 	LIBC_STDIO					\
diff --git a/tool/viz/generatematrix.c b/tool/viz/generatematrix.c
index 2a2493b34..cad8944eb 100644
--- a/tool/viz/generatematrix.c
+++ b/tool/viz/generatematrix.c
@@ -25,8 +25,8 @@
 #include "libc/macros.internal.h"
 #include "libc/math.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/lcg.internal.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/lcg.internal.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
diff --git a/tool/viz/life.c b/tool/viz/life.c
index fcfba8df2..f03ab6e78 100644
--- a/tool/viz/life.c
+++ b/tool/viz/life.c
@@ -66,7 +66,7 @@
 #include "libc/nt/struct/windowplacement.h"
 #include "libc/nt/struct/wndclass.h"
 #include "libc/nt/windows.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/runtime.h"
 #include "libc/sock/sock.h"
 #include "libc/sock/struct/pollfd.h"
diff --git a/tool/viz/magikarp.c b/tool/viz/magikarp.c
index 920490d10..7e52a701c 100644
--- a/tool/viz/magikarp.c
+++ b/tool/viz/magikarp.c
@@ -30,7 +30,7 @@
 #include "libc/math.h"
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/bsr.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/tool/viz/printansi.c b/tool/viz/printansi.c
index e754587aa..2a8c4bb16 100644
--- a/tool/viz/printansi.c
+++ b/tool/viz/printansi.c
@@ -36,7 +36,7 @@
 #include "libc/macros.internal.h"
 #include "libc/math.h"
 #include "libc/mem/mem.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/tool/viz/printvideo.c b/tool/viz/printvideo.c
index 546062391..a1a6a540c 100644
--- a/tool/viz/printvideo.c
+++ b/tool/viz/printvideo.c
@@ -55,7 +55,7 @@
 #include "libc/nexgen32e/x86feature.h"
 #include "libc/nt/console.h"
 #include "libc/nt/runtime.h"
-#include "libc/rand/rand.h"
+#include "libc/stdio/rand.h"
 #include "libc/runtime/buffer.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/runtime.h"
diff --git a/tool/viz/viz.mk b/tool/viz/viz.mk
index 2c7a98e06..1e7a8b993 100644
--- a/tool/viz/viz.mk
+++ b/tool/viz/viz.mk
@@ -31,7 +31,6 @@ TOOL_VIZ_DIRECTDEPS =				\
 	LIBC_NT_GDI32				\
 	LIBC_NT_KERNEL32			\
 	LIBC_NT_USER32				\
-	LIBC_RAND				\
 	LIBC_RUNTIME				\
 	LIBC_SOCK				\
 	LIBC_STDIO				\