diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
index 0fcce52ae..4cc2ec610 100644
--- a/.vscode/c_cpp_properties.json
+++ b/.vscode/c_cpp_properties.json
@@ -36,7 +36,7 @@
 				"textwindows=",
 				"privileged=",
 				"compatfn=",
-				"noinstrument=",
+				"dontinstrument=",
 				"nodebuginfo=",
 				"interruptfn=",
 				"optimizespeed=",
diff --git a/dsp/core/c11.h b/dsp/core/c11.h
index ee83867f2..c46d8d2ee 100644
--- a/dsp/core/c11.h
+++ b/dsp/core/c11.h
@@ -7,8 +7,7 @@
  *
  * @define (a + b) / 2
  */
-static inline pureconst artificial unsigned char C11(unsigned char al,
-                                                     unsigned char bl) {
+__funline unsigned char C11(unsigned char al, unsigned char bl) {
   short ax;
   ax = al;
   ax += bl;
diff --git a/dsp/core/c121.h b/dsp/core/c121.h
index 71ef3cd43..c03f9e038 100644
--- a/dsp/core/c121.h
+++ b/dsp/core/c121.h
@@ -3,9 +3,8 @@
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 
-forceinline pureconst artificial unsigned char C121(unsigned char al,
-                                                    unsigned char bl,
-                                                    unsigned char cl) {
+__funline unsigned char C121(unsigned char al, unsigned char bl,
+                             unsigned char cl) {
   unsigned short ax, bx;
   ax = al;
   ax += bl;
diff --git a/dsp/core/c121s.h b/dsp/core/c121s.h
index d7f036e6f..0af3cbc7a 100644
--- a/dsp/core/c121s.h
+++ b/dsp/core/c121s.h
@@ -2,9 +2,7 @@
 #define COSMOPOLITAN_DSP_CORE_C121S_H_
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 
-forceinline pureconst artificial signed char C121S(signed char al,
-                                                   signed char bl,
-                                                   signed char cl) {
+__funline signed char C121S(signed char al, signed char bl, signed char cl) {
   short ax, bx;
   ax = al;
   ax += bl;
diff --git a/dsp/core/c1331.h b/dsp/core/c1331.h
index f1f8d1153..2a3e27c51 100644
--- a/dsp/core/c1331.h
+++ b/dsp/core/c1331.h
@@ -9,10 +9,8 @@
  * @see C161() afterward for superior sin(𝑥)/𝑥
  * @limit [0,255] → [0..2,044] → [0..255]
  */
-forceinline pureconst artificial unsigned char C1331(unsigned char al,
-                                                     unsigned char bl,
-                                                     unsigned char cl,
-                                                     unsigned char dl) {
+__funline unsigned char C1331(unsigned char al, unsigned char bl,
+                              unsigned char cl, unsigned char dl) {
   short ax, bx;
   bx = bl;
   bx += cl;
diff --git a/dsp/core/c1331s.h b/dsp/core/c1331s.h
index ef5a37f13..66388e080 100644
--- a/dsp/core/c1331s.h
+++ b/dsp/core/c1331s.h
@@ -8,10 +8,8 @@
  * @define (1*(a-128)+3*(a-128)+3*(a-128)+1*(a-128))/(1+3+3+1)+128
  * @see C1331(), Y420CbCr2RgbScale()
  */
-forceinline pureconst artificial signed char C1331S(signed char al,
-                                                    signed char bl,
-                                                    signed char cl,
-                                                    signed char dl) {
+__funline signed char C1331S(signed char al, signed char bl, signed char cl,
+                             signed char dl) {
   short ax, bx;
   bx = bl;
   bx += cl;
diff --git a/dsp/core/c161.h b/dsp/core/c161.h
index d42b890f8..c9b22de12 100644
--- a/dsp/core/c161.h
+++ b/dsp/core/c161.h
@@ -12,9 +12,8 @@
  * @limit [0..255] → [-510..1,532] → [-127..383] → [0..255]
  * @see C1331()
  */
-forceinline pureconst artificial unsigned char C161(unsigned char al,
-                                                    unsigned char bl,
-                                                    unsigned char cl) {
+__funline unsigned char C161(unsigned char al, unsigned char bl,
+                             unsigned char cl) {
   short ax, bx, cx;
   ax = al;
   bx = bl;
diff --git a/dsp/core/c161s.h b/dsp/core/c161s.h
index bccdb80f9..b67f08a2c 100644
--- a/dsp/core/c161s.h
+++ b/dsp/core/c161s.h
@@ -4,9 +4,7 @@
 #include "libc/macros.internal.h"
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 
-forceinline pureconst artificial signed char C161S(signed char al,
-                                                   signed char bl,
-                                                   signed char cl) {
+__funline signed char C161S(signed char al, signed char bl, signed char cl) {
   short ax, bx, cx;
   ax = al;
   bx = bl;
diff --git a/dsp/core/c331.h b/dsp/core/c331.h
index 5b537d21a..382bea626 100644
--- a/dsp/core/c331.h
+++ b/dsp/core/c331.h
@@ -9,9 +9,8 @@ COSMOPOLITAN_C_START_
  * @define (3*a + 3*b + 1*c) / 7
  * @see C1331()
  */
-static inline pureconst artificial unsigned char C331(unsigned char al,
-                                                      unsigned char bl,
-                                                      unsigned char cl) {
+__funline unsigned char C331(unsigned char al, unsigned char bl,
+                             unsigned char cl) {
   unsigned eax, ebx, ecx;
   eax = al;
   ebx = bl;
diff --git a/dsp/core/ituround.h b/dsp/core/ituround.h
index 791657940..9c05aeaac 100644
--- a/dsp/core/ituround.h
+++ b/dsp/core/ituround.h
@@ -11,11 +11,11 @@
  *
  * @see round(), rint()
  */
-static inline pureconst artificial long ituround(double x) {
+__funline long ituround(double x) {
   return floor(x + .5);
 }
 
-static inline pureconst artificial int ituroundf(float x) {
+__funline int ituroundf(float x) {
   return floorf(x + .5f);
 }
 
diff --git a/dsp/core/twixt8.h b/dsp/core/twixt8.h
index 2f0156358..e8f4a31fb 100644
--- a/dsp/core/twixt8.h
+++ b/dsp/core/twixt8.h
@@ -6,9 +6,8 @@ COSMOPOLITAN_C_START_
 /**
  * 8-bit linear interpolation kernel.
  */
-static inline pureconst artificial unsigned char twixt8(unsigned char al,
-                                                        unsigned char bl,
-                                                        unsigned char p) {
+__funline unsigned char twixt8(unsigned char al, unsigned char bl,
+                               unsigned char p) {
   short bx;
   bx = bl;
   bx -= al;
diff --git a/libc/calls/dprintf.h b/libc/calls/dprintf.h
index a327e0481..29a87a350 100644
--- a/libc/calls/dprintf.h
+++ b/libc/calls/dprintf.h
@@ -7,12 +7,11 @@ COSMOPOLITAN_C_START_
 int dprintf(int, const char *, ...) printfesque(2) paramsnonnull((2));
 int vdprintf(int, const char *, va_list) paramsnonnull();
 
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
-
+#if defined(COSMO) && !defined(__cplusplus)
 #define dprintf(FD, FMT, ...) (dprintf)(FD, PFLINK(FMT), ##__VA_ARGS__)
 #define vdprintf(FD, FMT, VA) (vdprintf)(FD, PFLINK(FMT), VA)
-
 #endif /* GNU && !ANSI */
+
 COSMOPOLITAN_C_END_
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
 #endif /* COSMOPOLITAN_LIBC_CALLS_DPRINTF_H_ */
diff --git a/libc/calls/execve-nt.greg.c b/libc/calls/execve-nt.greg.c
index 61553a921..1277c4891 100644
--- a/libc/calls/execve-nt.greg.c
+++ b/libc/calls/execve-nt.greg.c
@@ -47,7 +47,7 @@ __msabi extern typeof(WaitForSingleObject) *const __imp_WaitForSingleObject;
 __msabi extern typeof(GetExitCodeProcess) *const __imp_GetExitCodeProcess;
 __msabi extern typeof(UnmapViewOfFile) *const __imp_UnmapViewOfFile;
 
-static noinstrument __msabi bool32
+static dontinstrument __msabi bool32
 BlockExecveConsoleEvent(uint32_t dwCtrlType) {
   // block SIGINT and SIGQUIT in execve() parent process
   return true;
diff --git a/libc/calls/getcontext.S b/libc/calls/getcontext.S
index 0bef8e9a8..6e246399d 100644
--- a/libc/calls/getcontext.S
+++ b/libc/calls/getcontext.S
@@ -67,7 +67,7 @@ getcontext:
 
 	.end
 ////////////////////////////////////////////////////////////////////////////////
-noasan noubsan noinstrument int getcontext(ucontext_t *uc) {
+noasan noubsan dontinstrument int getcontext(ucontext_t *uc) {
   asm volatile("movaps\t%%xmm0,%0" : /* no outputs */ : "m"(uc->__fpustate.xmm[0]));
   asm volatile("movaps\t%%xmm1,%0" : /* no outputs */ : "m"(uc->__fpustate.xmm[1]));
   asm volatile("movaps\t%%xmm2,%0" : /* no outputs */ : "m"(uc->__fpustate.xmm[2]));
diff --git a/libc/fmt/conv.h b/libc/fmt/conv.h
index b08e6c164..4b47e05b9 100644
--- a/libc/fmt/conv.h
+++ b/libc/fmt/conv.h
@@ -78,10 +78,12 @@ libcesque nosideeffect;
 │ cosmopolitan § conversion » manipulation                                 ─╬─│┼
 ╚────────────────────────────────────────────────────────────────────────────│*/
 
+#ifdef COSMO
 char *dirname(char *);
 char *basename(char *);
 char *stripext(char *);
 char *stripexts(char *);
+#endif
 
 /*───────────────────────────────────────────────────────────────────────────│─╗
 │ cosmopolitan § conversion » computation                                  ─╬─│┼
diff --git a/libc/fmt/fmt.h b/libc/fmt/fmt.h
index ba620bf56..9835ef278 100644
--- a/libc/fmt/fmt.h
+++ b/libc/fmt/fmt.h
@@ -35,7 +35,7 @@ char *gcvt(double, int, char *);
 │ cosmopolitan § string formatting » optimizations                         ─╬─│┼
 ╚────────────────────────────────────────────────────────────────────────────│*/
 
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
+#if defined(COSMO) && !defined(__cplusplus)
 #define sprintf(BUF, FMT, ...)        (sprintf)(BUF, PFLINK(FMT), ##__VA_ARGS__)
 #define vsprintf(BUF, FMT, VA)        (vsprintf)(BUF, PFLINK(FMT), VA)
 #define snprintf(B, Z, F, ...)        (snprintf)(B, Z, PFLINK(F), ##__VA_ARGS__)
diff --git a/libc/fmt/pflink.h b/libc/fmt/pflink.h
index 7af6cc357..1f654d3ef 100644
--- a/libc/fmt/pflink.h
+++ b/libc/fmt/pflink.h
@@ -1,6 +1,7 @@
 #ifndef COSMOPOLITAN_LIBC_FMT_PFLINK_H_
 #define COSMOPOLITAN_LIBC_FMT_PFLINK_H_
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
+#ifdef COSMO
 
 /**
  * @fileoverview builtin+preprocessor+linker tricks for printf/scanf.
@@ -59,5 +60,12 @@
 #pragma GCC diagnostic ignored "-Wformat-security"
 #endif /* __GNUC__ + 0 < 6 */
 
+#else
+STATIC_YOINK("strerror");
+STATIC_YOINK("strnwidth");
+STATIC_YOINK("__fmt_dtoa");
+STATIC_YOINK("strnwidth16");
+STATIC_YOINK("wcsnwidth");
+#endif /* COSMO */
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
 #endif /* COSMOPOLITAN_LIBC_FMT_PFLINK_H_ */
diff --git a/libc/integral/c.inc b/libc/integral/c.inc
index 452f1ddf5..ec2e1ee24 100644
--- a/libc/integral/c.inc
+++ b/libc/integral/c.inc
@@ -208,13 +208,13 @@ typedef struct {
 #endif
 #endif
 
-#ifndef noinstrument
+#ifndef dontinstrument
 #if !defined(__STRICT_ANSI__) &&                    \
     (__has_attribute(__no_instrument_function__) || \
      (__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 204)
-#define noinstrument __attribute__((__no_instrument_function__))
+#define dontinstrument __attribute__((__no_instrument_function__))
 #else
-#define noinstrument
+#define dontinstrument
 #endif
 #endif
 
@@ -485,32 +485,13 @@ typedef struct {
 #endif
 #endif
 
-#ifndef artificial
-#if !defined(__STRICT_ANSI__) &&        \
-    (__has_attribute(__artificial__) || \
-     (__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 403)
-#define artificial __attribute__((__artificial__))
-#else
-#define artificial
-#endif
-#endif
-
-#ifndef microarchitecture
+#ifndef _Microarchitecture
 #if !defined(__STRICT_ANSI__) &&    \
     (__has_attribute(__target__) || \
      (__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 404)
-#define microarchitecture(march) __attribute__((__target__(march)))
+#define _Microarchitecture(march) __attribute__((__target__(march)))
 #else
-#define microarchitecture(march)
-#endif
-#endif
-
-#ifndef targetclones
-#if !defined(__STRICT_ANSI__) && \
-    (__has_attribute(__target_clones__) || __GNUC__ >= 6)
-#define targetclones(archs) __attribute__((__target_clones__(archs)))
-#else
-#define targetclones(archs)
+#define _Microarchitecture(march)
 #endif
 #endif
 
@@ -629,8 +610,8 @@ void abort(void) wontreturn;
   } while (0)
 
 #ifndef __STRICT_ANSI__
-#define textstartup _Section(".text.startup") noinstrument
-#define textexit    _Section(".text.exit") noinstrument
+#define textstartup _Section(".text.startup") dontinstrument
+#define textexit    _Section(".text.exit") dontinstrument
 #define textreal    _Section(".text.real")
 #define texthead    _Section(".text.head")
 #define textwindows _Section(".text.windows")
diff --git a/libc/intrin/bzero.c b/libc/intrin/bzero.c
index a751b7122..3daf166f4 100644
--- a/libc/intrin/bzero.c
+++ b/libc/intrin/bzero.c
@@ -44,7 +44,7 @@ static void bzero128(char *p, size_t n) {
 }
 
 #ifdef __x86_64__
-microarchitecture("avx") static void bzero_avx(char *p, size_t n) {
+_Microarchitecture("avx") static void bzero_avx(char *p, size_t n) {
   xmm_t v = {0};
   if (IsAsan()) __asan_verify(p, n);
   if (n <= 32) {
diff --git a/libc/intrin/memcmp.c b/libc/intrin/memcmp.c
index ff5e23e8d..7ef00b4d1 100644
--- a/libc/intrin/memcmp.c
+++ b/libc/intrin/memcmp.c
@@ -57,9 +57,9 @@ static dontinline antiquity int memcmp_sse(const unsigned char *p,
   }
 }
 
-microarchitecture("avx") static int memcmp_avx(const unsigned char *p,
-                                               const unsigned char *q,
-                                               size_t n) {
+_Microarchitecture("avx") static int memcmp_avx(const unsigned char *p,
+                                                const unsigned char *q,
+                                                size_t n) {
   uint64_t w;
   unsigned u;
   if (n > 32) {
diff --git a/libc/intrin/memset.c b/libc/intrin/memset.c
index fb369614c..c83141edd 100644
--- a/libc/intrin/memset.c
+++ b/libc/intrin/memset.c
@@ -46,7 +46,7 @@ static void *memset_sse(char *p, char c, size_t n) {
 }
 
 #ifdef __x86_64__
-microarchitecture("avx") static void *memset_avx(char *p, char c, size_t n) {
+_Microarchitecture("avx") static void *memset_avx(char *p, char c, size_t n) {
   char *t;
   xmm_t v = {c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c};
   if (IsAsan()) __asan_verify(p, n);
diff --git a/libc/intrin/restorewintty.c b/libc/intrin/restorewintty.c
index de37f8510..08f924968 100644
--- a/libc/intrin/restorewintty.c
+++ b/libc/intrin/restorewintty.c
@@ -35,7 +35,7 @@ const unsigned char kConsoleHandles[3] = {
 };
 
 // Puts cmd.exe gui back the way it was.
-privileged noinstrument void _restorewintty(void) {
+privileged dontinstrument void _restorewintty(void) {
   if (!IsWindows()) return;
   if (__imp_GetCurrentProcessId() != __pid_exec) return;
   for (int i = 0; i < 3; ++i) {
diff --git a/libc/log/backtrace3.c b/libc/log/backtrace3.c
index 5bc9096c1..2ca2270ae 100644
--- a/libc/log/backtrace3.c
+++ b/libc/log/backtrace3.c
@@ -45,9 +45,8 @@
  * @param st is open symbol table for current executable
  * @return -1 w/ errno if error happened
  */
-noinstrument noasan int PrintBacktraceUsingSymbols(int fd,
-                                                   const struct StackFrame *bp,
-                                                   struct SymbolTable *st) {
+dontinstrument noasan int PrintBacktraceUsingSymbols(
+    int fd, const struct StackFrame *bp, struct SymbolTable *st) {
   bool ok;
   size_t gi;
   intptr_t addr;
diff --git a/libc/log/log_get_errno.c b/libc/log/log_get_errno.c
index 54b8dd5c7..70b4d1ced 100644
--- a/libc/log/log_get_errno.c
+++ b/libc/log/log_get_errno.c
@@ -19,6 +19,6 @@
 #include "libc/errno.h"
 #include "libc/log/log.h"
 
-noinstrument int _log_get_errno(void) {
+dontinstrument int _log_get_errno(void) {
   return errno;
 }
diff --git a/libc/log/log_retrace.c b/libc/log/log_retrace.c
index ad863d896..d113f2314 100644
--- a/libc/log/log_retrace.c
+++ b/libc/log/log_retrace.c
@@ -19,6 +19,6 @@
 #include "libc/log/log.h"
 #include "libc/runtime/runtime.h"
 
-noinstrument void _log_retrace(void) {
+dontinstrument void _log_retrace(void) {
   ftrace_enabled(+1);
 }
diff --git a/libc/log/log_set_errno.c b/libc/log/log_set_errno.c
index b8d985d85..7b7458f45 100644
--- a/libc/log/log_set_errno.c
+++ b/libc/log/log_set_errno.c
@@ -19,6 +19,6 @@
 #include "libc/errno.h"
 #include "libc/log/log.h"
 
-noinstrument void _log_set_errno(int e) {
+dontinstrument void _log_set_errno(int e) {
   errno = e;
 }
diff --git a/libc/log/log_untrace.c b/libc/log/log_untrace.c
index 089e315d6..71290ebe9 100644
--- a/libc/log/log_untrace.c
+++ b/libc/log/log_untrace.c
@@ -19,6 +19,6 @@
 #include "libc/log/log.h"
 #include "libc/runtime/runtime.h"
 
-noinstrument void _log_untrace(void) {
+dontinstrument void _log_untrace(void) {
   ftrace_enabled(-1);
 }
diff --git a/libc/log/logerrno.c b/libc/log/logerrno.c
index cb029a9f7..1ea8b5ffe 100644
--- a/libc/log/logerrno.c
+++ b/libc/log/logerrno.c
@@ -22,6 +22,6 @@
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 
-noinstrument void _log_errno(const char *file, int line, const char *form) {
+dontinstrument void _log_errno(const char *file, int line, const char *form) {
   flogf(kLogWarn, file, line, NULL, PFLINK("%s → %s"), form, strerror(errno));
 }
diff --git a/libc/log/oncrash_amd64.c b/libc/log/oncrash_amd64.c
index ffab0921b..a2690bbf2 100644
--- a/libc/log/oncrash_amd64.c
+++ b/libc/log/oncrash_amd64.c
@@ -254,10 +254,10 @@ relegated void ShowCrashReport(int err, int sig, struct siginfo *si,
   kprintf("\n");
 }
 
-static wontreturn relegated noinstrument void __minicrash(int sig,
-                                                          struct siginfo *si,
-                                                          ucontext_t *ctx,
-                                                          const char *kind) {
+static wontreturn relegated dontinstrument void __minicrash(int sig,
+                                                            struct siginfo *si,
+                                                            ucontext_t *ctx,
+                                                            const char *kind) {
   kprintf("\n"
           "\n"
           "CRASHED %s WITH %G\n"
diff --git a/libc/log/watch.c b/libc/log/watch.c
index f506c223f..1ad71baf7 100644
--- a/libc/log/watch.c
+++ b/libc/log/watch.c
@@ -33,14 +33,14 @@ static char __watch_last[4096];
 
 void __watch_hook(void);
 
-static noinstrument inline void Copy(char *p, char *q, size_t n) {
+static dontinstrument inline void Copy(char *p, char *q, size_t n) {
   size_t i;
   for (i = 0; i < n; ++i) {
     p[i] = q[i];
   }
 }
 
-static noinstrument inline int Cmp(char *p, char *q, size_t n) {
+static dontinstrument inline int Cmp(char *p, char *q, size_t n) {
   int c;
   if (n == 8) return READ64LE(p) != READ64LE(q);
   if (n == 4) return READ32LE(p) != READ32LE(q);
@@ -52,7 +52,7 @@ static noinstrument inline int Cmp(char *p, char *q, size_t n) {
   return 0;
 }
 
-noinstrument void __watcher(void) {
+dontinstrument void __watcher(void) {
   if (__watch_busy) return;
   __watch_busy = true;
   if (Cmp(__watch_last, __watch_addr, __watch_size)) {
diff --git a/libc/mem/fmt.h b/libc/mem/fmt.h
index 1351d4885..5691f040e 100644
--- a/libc/mem/fmt.h
+++ b/libc/mem/fmt.h
@@ -8,7 +8,7 @@ int asprintf(char **, const char *, ...) printfesque(2)
     paramsnonnull((1, 2)) libcesque;
 int vasprintf(char **, const char *, va_list) paramsnonnull() libcesque;
 
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+#if defined(COSMO) && !defined(__cplusplus)
 #define asprintf(SP, FMT, ...) (asprintf)(SP, PFLINK(FMT), ##__VA_ARGS__)
 #define vasprintf(SP, FMT, VA) (vasprintf)(SP, PFLINK(FMT), VA)
 #endif
diff --git a/libc/runtime/clone.c b/libc/runtime/clone.c
index 716dcb983..3983d3790 100644
--- a/libc/runtime/clone.c
+++ b/libc/runtime/clone.c
@@ -111,11 +111,11 @@ int WinThreadLaunch(void *arg,                 // rdi
 //   2. windows owns the stack memory right now
 // we need win32 raw imports because:
 //   1. generated thunks are function logged
-noasan noinstrument static textwindows wontreturn void  //
-WinThreadEntry(int rdi,                                 // rcx
-               int rsi,                                 // rdx
-               int rdx,                                 // r8
-               struct CloneArgs *wt) {                  // r9
+noasan dontinstrument static textwindows wontreturn void  //
+WinThreadEntry(int rdi,                                   // rcx
+               int rsi,                                   // rdx
+               int rdx,                                   // r8
+               struct CloneArgs *wt) {                    // r9
   int rc;
   if (wt->tls) __set_tls_win32(wt->tls);
   *wt->ctid = wt->tid;
diff --git a/libc/runtime/getdosenviron.c b/libc/runtime/getdosenviron.c
index 27339a31a..9652260f9 100644
--- a/libc/runtime/getdosenviron.c
+++ b/libc/runtime/getdosenviron.c
@@ -37,9 +37,8 @@ forceinline char *MemChr(const char *s, unsigned char c, unsigned long n) {
   return 0;
 }
 
-static textwindows noasan noinstrument axdx_t Recode16to8(char *dst,
-                                                          size_t dstsize,
-                                                          const char16_t *src) {
+static textwindows noasan dontinstrument axdx_t
+Recode16to8(char *dst, size_t dstsize, const char16_t *src) {
   bool v;
   axdx_t r;
   uint64_t w;
@@ -72,7 +71,7 @@ static textwindows noasan noinstrument axdx_t Recode16to8(char *dst,
   return r;
 }
 
-textwindows noinstrument noasan void FixPath(char *path) {
+textwindows dontinstrument noasan void FixPath(char *path) {
   char *p;
   size_t i;
 
@@ -112,9 +111,9 @@ textwindows noinstrument noasan void FixPath(char *path) {
 // @param envp stores NULL-terminated string pointer list (optional)
 // @param max is the pointer count capacity of envp
 // @return number of variables decoded, excluding NULL-terminator
-textwindows noasan noinstrument int GetDosEnviron(const char16_t *env,
-                                                  char *buf, size_t size,
-                                                  char **envp, size_t max) {
+textwindows noasan dontinstrument int GetDosEnviron(const char16_t *env,
+                                                    char *buf, size_t size,
+                                                    char **envp, size_t max) {
   int i;
   char *p;
   axdx_t r;
diff --git a/libc/runtime/getsymbol.c b/libc/runtime/getsymbol.c
index d9aab399d..98e0d8f92 100644
--- a/libc/runtime/getsymbol.c
+++ b/libc/runtime/getsymbol.c
@@ -27,7 +27,7 @@ extern _Hide struct SymbolTable *__symtab;
  * @param t if null will be auto-populated only if already open
  * @return index or -1 if nothing found
  */
-noinstrument privileged int __get_symbol(struct SymbolTable *t, intptr_t a) {
+dontinstrument privileged int __get_symbol(struct SymbolTable *t, intptr_t a) {
   // we need privileged because:
   //   kprintf is privileged and it depends on this
   // we don't want function tracing because:
diff --git a/libc/runtime/getsymbolname.c b/libc/runtime/getsymbolname.c
index 4da3690d1..b9ba568e9 100644
--- a/libc/runtime/getsymbolname.c
+++ b/libc/runtime/getsymbolname.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/runtime/symbols.internal.h"
 
-privileged noinstrument noasan noubsan char *__get_symbol_name(
+privileged dontinstrument noasan noubsan char *__get_symbol_name(
     struct SymbolTable *t, int s) {
   /* asan runtime depends on this function */
   if (t && s != -1) {
diff --git a/libc/runtime/hook.greg.c b/libc/runtime/hook.greg.c
index 3ea3d87b5..6c828e9df 100644
--- a/libc/runtime/hook.greg.c
+++ b/libc/runtime/hook.greg.c
@@ -106,7 +106,8 @@ static privileged void HookFunction(code_t *func, void *dest) {
  * @param st can be obtained using `GetSymbolTable()`
  * @see ape/ape.lds
  */
-privileged noinstrument noasan int __hook(void *dest, struct SymbolTable *st) {
+privileged dontinstrument noasan int __hook(void *dest,
+                                            struct SymbolTable *st) {
   long i;
   sigset_t mask;
   code_t *p, *pe;
diff --git a/libc/runtime/stackchkfail.c b/libc/runtime/stackchkfail.c
index 4f5a045db..b5152e6ad 100644
--- a/libc/runtime/stackchkfail.c
+++ b/libc/runtime/stackchkfail.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/intrin/kprintf.h"
 
-privileged noasan noinstrument void __stack_chk_fail(void) {
+void __stack_chk_fail(void) {
   kprintf("stack smashed\n");
   __builtin_trap();
 }
diff --git a/libc/stdio/stdio.h b/libc/stdio/stdio.h
index ce68ec7b6..2064caca9 100644
--- a/libc/stdio/stdio.h
+++ b/libc/stdio/stdio.h
@@ -166,7 +166,7 @@ int vfprintf_unlocked(FILE *, const char *, va_list)
 │ cosmopolitan § standard i/o » optimizations                              ─╬─│┼
 ╚────────────────────────────────────────────────────────────────────────────│*/
 
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+#if defined(COSMO) && !defined(__cplusplus)
 /* clang-format off */
 #define printf(FMT, ...)     (printf)(PFLINK(FMT), ##__VA_ARGS__)
 #define vprintf(FMT, VA)     (vprintf)(PFLINK(FMT), VA)
diff --git a/libc/str/bcmp.c b/libc/str/bcmp.c
index 7ccd8239b..0f29a1eb9 100644
--- a/libc/str/bcmp.c
+++ b/libc/str/bcmp.c
@@ -38,8 +38,8 @@ static int bcmp_sse(const char *p, const char *q, size_t n) {
 }
 
 #ifdef __x86_64__
-microarchitecture("avx") static int bcmp_avx(const char *p, const char *q,
-                                             size_t n) {
+_Microarchitecture("avx") static int bcmp_avx(const char *p, const char *q,
+                                              size_t n) {
   xmm_t a, b, c, d;
   if (n > 32) {
     if (n >= 16 + 64) {
diff --git a/libc/str/timingsafe_bcmp.c b/libc/str/timingsafe_bcmp.c
index 426ae80da..f64fda30d 100644
--- a/libc/str/timingsafe_bcmp.c
+++ b/libc/str/timingsafe_bcmp.c
@@ -41,9 +41,9 @@ noasan static unsigned timingsafe_bcmp_sse(const char *p, const char *q,
 }
 
 #ifdef __x86_64__
-noasan static microarchitecture("avx") int timingsafe_bcmp_avx(const char *p,
-                                                               const char *q,
-                                                               size_t n) {
+noasan static _Microarchitecture("avx") int timingsafe_bcmp_avx(const char *p,
+                                                                const char *q,
+                                                                size_t n) {
   uint64_t w;
   xmm_t a = {0};
   if (n > 32) {
diff --git a/libc/tinymath/cosdf.c b/libc/tinymath/cosdf.c
index c519dba57..f3a7afc9c 100644
--- a/libc/tinymath/cosdf.c
+++ b/libc/tinymath/cosdf.c
@@ -60,7 +60,7 @@ C1  =  0x155553e1053a42.0p-57, /*  0.0416666233237390631894 */
 C2  = -0x16c087e80f1e27.0p-62, /* -0.00138867637746099294692 */
 C3  =  0x199342e0ee5069.0p-68; /*  0.0000243904487962774090654 */
 
-noinstrument float __cosdf(double x)
+dontinstrument float __cosdf(double x)
 {
 	double_t r, w, z;
 
diff --git a/libc/tinymath/sindf.c b/libc/tinymath/sindf.c
index 06f38699f..aa259ea1a 100644
--- a/libc/tinymath/sindf.c
+++ b/libc/tinymath/sindf.c
@@ -60,7 +60,7 @@ S2 =  0x111110896efbb2.0p-59, /*  0.0083333293858894631756 */
 S3 = -0x1a00f9e2cae774.0p-65, /* -0.000198393348360966317347 */
 S4 =  0x16cd878c3b46a7.0p-71; /*  0.0000027183114939898219064 */
 
-noinstrument float __sindf(double x)
+dontinstrument float __sindf(double x)
 {
 	double_t r, s, w, z;
 
diff --git a/libc/x/xasprintf.h b/libc/x/xasprintf.h
index 193839a74..a689a39d3 100644
--- a/libc/x/xasprintf.h
+++ b/libc/x/xasprintf.h
@@ -9,7 +9,7 @@ char *xasprintf(const char *, ...) printfesque(1) paramsnonnull((1))
 char *xvasprintf(const char *, va_list) paramsnonnull()
     returnspointerwithnoaliases dontthrow nocallback dontdiscard returnsnonnull;
 
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+#if defined(COSMO) && !defined(__cplusplus)
 #define xasprintf(FMT, ...) (xasprintf)(PFLINK(FMT), ##__VA_ARGS__)
 #define xvasprintf(FMT, VA) (xvasprintf)(PFLINK(FMT), VA)
 #endif
diff --git a/test/libc/calls/pledge_test.c b/test/libc/calls/pledge_test.c
index 92ad8b1b3..0f93f872f 100644
--- a/test/libc/calls/pledge_test.c
+++ b/test/libc/calls/pledge_test.c
@@ -38,6 +38,7 @@
 #include "libc/runtime/runtime.h"
 #include "libc/sock/sock.h"
 #include "libc/sock/struct/sockaddr.h"
+#include "libc/sock/struct/sockaddr6.h"
 #include "libc/stdio/lock.internal.h"
 #include "libc/stdio/stdio.h"
 #include "libc/sysv/consts/af.h"
@@ -352,6 +353,9 @@ TEST(pledge, inet_forbidsOtherSockets) {
     ASSERT_SYS(EPERM, -1, setsockopt(3, SOL_SOCKET, SO_TIMESTAMP, &yes, 4));
     struct sockaddr_in sin = {AF_INET, 0, {htonl(0x7f000001)}};
     ASSERT_SYS(0, 0, bind(4, (struct sockaddr *)&sin, sizeof(sin)));
+    struct sockaddr_in6 sin6 = {.sin6_family = AF_INET6,
+                                .sin6_addr.s6_addr[15] = 1};
+    ASSERT_SYS(0, 0, bind(6, (struct sockaddr *)&sin6, sizeof(sin6)));
     uint32_t az = sizeof(sin);
     ASSERT_SYS(0, 0, getsockname(4, (struct sockaddr *)&sin, &az));
     ASSERT_SYS(0, 5,
diff --git a/third_party/getopt/getopt.h b/third_party/getopt/getopt.h
index 22ecf6ded..90572bc23 100644
--- a/third_party/getopt/getopt.h
+++ b/third_party/getopt/getopt.h
@@ -1,5 +1,6 @@
 #ifndef COSMOPOLITAN_THIRD_PARTY_GETOPT_GETOPT_H_
 #define COSMOPOLITAN_THIRD_PARTY_GETOPT_GETOPT_H_
+#ifdef COSMO
 
 #define no_argument       0
 #define required_argument 1
@@ -27,4 +28,5 @@ int getopt_long_only(int, char *const *, const char *, const struct option *,
 
 COSMOPOLITAN_C_END_
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
+#endif /* COSMO */
 #endif /* COSMOPOLITAN_THIRD_PARTY_GETOPT_GETOPT_H_ */
diff --git a/third_party/mbedtls/sha256.c b/third_party/mbedtls/sha256.c
index dd1f6674e..3666dfd8b 100644
--- a/third_party/mbedtls/sha256.c
+++ b/third_party/mbedtls/sha256.c
@@ -15,6 +15,7 @@
 │ See the License for the specific language governing permissions and          │
 │ limitations under the License.                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "third_party/mbedtls/sha256.h"
 #include "libc/dce.h"
 #include "libc/intrin/asan.internal.h"
 #include "libc/macros.internal.h"
@@ -26,7 +27,6 @@
 #include "third_party/mbedtls/endian.h"
 #include "third_party/mbedtls/error.h"
 #include "third_party/mbedtls/md.h"
-#include "third_party/mbedtls/sha256.h"
 
 asm(".ident\t\"\\n\\n\
 Mbed TLS (Apache 2.0)\\n\
@@ -476,12 +476,12 @@ exit:
     return( ret );
 }
 
-noinstrument int mbedtls_sha256_ret_224( const void *input, size_t ilen, unsigned char *output )
+dontinstrument int mbedtls_sha256_ret_224( const void *input, size_t ilen, unsigned char *output )
 {
     return mbedtls_sha256_ret( input, ilen, output, true );
 }
 
-noinstrument int mbedtls_sha256_ret_256( const void *input, size_t ilen, unsigned char *output )
+dontinstrument int mbedtls_sha256_ret_256( const void *input, size_t ilen, unsigned char *output )
 {
     return mbedtls_sha256_ret( input, ilen, output, false );
 }
diff --git a/third_party/mbedtls/sha512.c b/third_party/mbedtls/sha512.c
index 7561e3e51..c47dd8d5a 100644
--- a/third_party/mbedtls/sha512.c
+++ b/third_party/mbedtls/sha512.c
@@ -15,6 +15,7 @@
 │ See the License for the specific language governing permissions and          │
 │ limitations under the License.                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "third_party/mbedtls/sha512.h"
 #include "libc/intrin/asan.internal.h"
 #include "libc/literal.h"
 #include "libc/macros.internal.h"
@@ -27,7 +28,6 @@
 #include "third_party/mbedtls/error.h"
 #include "third_party/mbedtls/md.h"
 #include "third_party/mbedtls/platform.h"
-#include "third_party/mbedtls/sha512.h"
 
 asm(".ident\t\"\\n\\n\
 Mbed TLS (Apache 2.0)\\n\
@@ -419,12 +419,12 @@ cleanup:
     return( ret );
 }
 
-noinstrument int mbedtls_sha512_ret_384( const void *input, size_t ilen, unsigned char *output )
+dontinstrument int mbedtls_sha512_ret_384( const void *input, size_t ilen, unsigned char *output )
 {
     return mbedtls_sha512_ret( input, ilen, output, true );
 }
 
-noinstrument int mbedtls_sha512_ret_512( const void *input, size_t ilen, unsigned char *output )
+dontinstrument int mbedtls_sha512_ret_512( const void *input, size_t ilen, unsigned char *output )
 {
     return mbedtls_sha512_ret( input, ilen, output, false );
 }
diff --git a/third_party/puff/puff.c b/third_party/puff/puff.c
index d79a48086..2aac09ad7 100644
--- a/third_party/puff/puff.c
+++ b/third_party/puff/puff.c
@@ -22,8 +22,8 @@
 │                                                                              │
 │  Mark Adler    madler@alumni.caltech.edu                                     │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/runtime/runtime.h"
 #include "third_party/puff/puff.h"
+#include "libc/runtime/runtime.h"
 // clang-format off
 
 asm(".ident\t\"\\n\\n\
@@ -158,7 +158,7 @@ struct state {
  *   buffer, using shift right, and new bytes are appended to the top of the
  *   bit buffer, using shift left.
  */
-local noinstrument int bits(struct state *s, int need)
+local dontinstrument int bits(struct state *s, int need)
 {
     long val;           /* bit accumulator (can use up to 20 bits) */
 
diff --git a/tool/emacs/c.lang b/tool/emacs/c.lang
index ceae3bb10..0177782db 100644
--- a/tool/emacs/c.lang
+++ b/tool/emacs/c.lang
@@ -83,7 +83,6 @@ Keywords={
 "__msabi",
 "offsetof",
 "microarchitecture",
-"targetclones",
 "forcealignargpointer",
 "textexit",
 "externinline",
@@ -125,7 +124,7 @@ Keywords={
 "noreturn",
 "initarray",
 "mayalias",
-"noinstrument",
+"dontinstrument",
 "interruptfn",
 "nocallback",
 "textstartup",
diff --git a/tool/emacs/cosmo-c-keywords.el b/tool/emacs/cosmo-c-keywords.el
index 3c864dbad..269108d8b 100644
--- a/tool/emacs/cosmo-c-keywords.el
+++ b/tool/emacs/cosmo-c-keywords.el
@@ -29,8 +29,7 @@
            "__funline"
            "function"
            "offsetof"
-           "microarchitecture"
-           "targetclones"
+           "_Microarchitecture"
            "forcealignargpointer"
            "textexit"
            "externinline"
@@ -59,7 +58,8 @@
            "antiquity"
            "memcpyesque"
            "libcesque"
-           "artificial"
+           "unrollloops"
+           "__artificial"
            "returnstwice"
            "returnsaligned"
            "noprune"
@@ -78,7 +78,7 @@
            "nostackprotector"
            "initarray"
            "mayalias"
-           "noinstrument"
+           "dontinstrument"
            "interruptfn"
            "nocallback"
            "textstartup"
diff --git a/tool/emacs/key.py b/tool/emacs/key.py
index 5ba8c66f0..18ca0e31a 100644
--- a/tool/emacs/key.py
+++ b/tool/emacs/key.py
@@ -347,7 +347,7 @@ cosmo_kws = frozenset([
   "nodebuginfo",
   "dontdiscard",
   "dontinline",
-  "noinstrument",
+  "dontinstrument",
   "nointerpose",
   "dontoptimize",
   "noprune",
diff --git a/tool/plinko/lib/char.h b/tool/plinko/lib/char.h
index e1cb4d93c..d287ee4a9 100644
--- a/tool/plinko/lib/char.h
+++ b/tool/plinko/lib/char.h
@@ -27,7 +27,7 @@ static inline pureconst bool IsControl(int c) {
   return (0 <= c && c <= 0x1F) || (0x7F <= c && c <= 0x9F);
 }
 
-static noinstrument pureconst inline int ToUpper(int c) {
+static dontinstrument pureconst inline int ToUpper(int c) {
   return 'a' <= c && c <= 'z' ? 'A' - 'a' + c : c;
 }
 
diff --git a/tool/plinko/lib/read.c b/tool/plinko/lib/read.c
index 0537a08d9..468989a89 100644
--- a/tool/plinko/lib/read.c
+++ b/tool/plinko/lib/read.c
@@ -32,7 +32,7 @@
 static int Read1(int);
 static int Read2(int);
 
-noinstrument int ReadSpaces(int fd) {
+dontinstrument int ReadSpaces(int fd) {
   size_t n;
   ssize_t rc;
   for (;;) {
@@ -64,13 +64,13 @@ noinstrument int ReadSpaces(int fd) {
   }
 }
 
-noinstrument int ReadByte(int fd) {
+dontinstrument int ReadByte(int fd) {
   int c;
   if ((c = g_buffer[fd][bp[fd]++] & 255)) return c;
   return ReadSpaces(fd);
 }
 
-noinstrument int ReadChar(int fd) {
+dontinstrument int ReadChar(int fd) {
   int b, a = dx;
   for (;;) {
     dx = ReadByte(fd);
diff --git a/tool/viz/derasterize.c b/tool/viz/derasterize.c
index d7f32eebf..5f1e0391a 100644
--- a/tool/viz/derasterize.c
+++ b/tool/viz/derasterize.c
@@ -312,8 +312,8 @@ static unsigned combinecolors(unsigned char bf[1u << MC][2],
     return r;                                                     \
   }
 
-ADJUDICATE(adjudicate_avx2, microarchitecture("avx2,fma"))
-ADJUDICATE(adjudicate_avx, microarchitecture("avx"))
+ADJUDICATE(adjudicate_avx2, _Microarchitecture("avx2,fma"))
+ADJUDICATE(adjudicate_avx, _Microarchitecture("avx"))
 ADJUDICATE(adjudicate_default, )
 
 static float (*adjudicate_hook)(unsigned, unsigned, unsigned,