Clean up some code

- Use good ELF technique in cosmo_dlopen()
- Make strerror() conform more to other libc impls
- Introduce __clear_cache() and use it in cosmo_dlopen()
- Remove libc/fmt/fmt.h header (trying to kill off LIBC_FMT)

examples/dlopen.c

@@ -10,7 +10,6 @@
 #include "libc/calls/calls.h"
 #include "libc/dlopen/dlfcn.h"
 #include "libc/fmt/itoa.h"
-#include "libc/intrin/kprintf.h"
 #include "libc/nt/thunk/msabi.h"
 #include "libc/runtime/runtime.h"
 
@@ -24,6 +23,7 @@
  * - x86-64 FreeBSD
  * - x86-64 Windows
  * - aarch64 Linux w/ Glibc
+ * - aarch64 Linux w/ Musl Libc
  * - aarch64 MacOS
  *
  */

examples/hiredis.c

@@ -9,7 +9,6 @@
 #endif
 #include "libc/runtime/runtime.h"
 #include "libc/fmt/conv.h"
-#include "libc/fmt/fmt.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 #include "third_party/hiredis/hiredis.h"

examples/kilo.c

@@ -62,7 +62,6 @@ Contact: antirez@gmail.com\"\n\
 #include "libc/calls/termios.h"
 #include "libc/calls/weirdtypes.h"
 #include "libc/errno.h"
-#include "libc/fmt/fmt.h"
 #include "libc/log/log.h"
 #include "libc/mem/alg.h"
 #include "libc/mem/arraylist2.internal.h"

examples/nesemu1.cc

@@ -19,7 +19,6 @@
 #include "libc/dce.h"
 #include "libc/errno.h"
 #include "libc/fmt/conv.h"
-#include "libc/fmt/fmt.h"
 #include "libc/intrin/bits.h"
 #include "libc/intrin/safemacros.internal.h"
 #include "libc/inttypes.h"

examples/picol.c

@@ -33,7 +33,6 @@
  */
 
 #include "libc/fmt/conv.h"
-#include "libc/fmt/fmt.h"
 #include "libc/log/log.h"
 #include "libc/mem/mem.h"
 #include "libc/runtime/runtime.h"

examples/portscan.c

@@ -12,7 +12,6 @@
 #include "libc/calls/struct/timeval.h"
 #include "libc/errno.h"
 #include "libc/fmt/conv.h"
-#include "libc/fmt/fmt.h"
 #include "libc/fmt/magnumstrs.internal.h"
 #include "libc/mem/alloca.h"
 #include "libc/runtime/runtime.h"

examples/stat.c

@@ -11,7 +11,6 @@
 #include "libc/calls/calls.h"
 #include "libc/errno.h"
 #include "libc/fmt/conv.h"
-#include "libc/fmt/fmt.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/mem/gc.h"

examples/stringbuffer.c

@@ -8,7 +8,6 @@
 ╚─────────────────────────────────────────────────────────────────*/
 #endif
 #include "libc/calls/calls.h"
-#include "libc/fmt/fmt.h"
 #include "libc/log/check.h"
 #include "libc/mem/mem.h"
 #include "libc/stdio/append.h"

examples/ttyinfo.c

@@ -15,7 +15,6 @@
 #include "libc/calls/struct/sigset.h"
 #include "libc/calls/termios.h"
 #include "libc/errno.h"
-#include "libc/fmt/fmt.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/runtime/runtime.h"

examples/unbourne.c

@@ -122,7 +122,6 @@
 #include "libc/dce.h"
 #include "libc/errno.h"
 #include "libc/fmt/conv.h"
-#include "libc/fmt/fmt.h"
 #include "libc/intrin/safemacros.internal.h"
 #include "libc/limits.h"
 #include "libc/log/log.h"

examples/wall.c

@@ -11,7 +11,6 @@
 #include "libc/calls/struct/timespec.h"
 #include "libc/calls/termios.h"
 #include "libc/errno.h"
-#include "libc/fmt/fmt.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/append.h"
 #include "libc/stdio/stdio.h"