Fix small matters and improve sysconf()

- Fix mkdeps.com out of memory error
- Remove static memory from __get_cpu_count()
- Add support for passing hyphen to cat in cocmd
- Change more ZipOS errors from ENOTSUP to EROFS
- Specify mem_unit in sysinfo() output on BSD OSes

libc/stdio/appendz.c

@@ -37,12 +37,10 @@ struct appendz appendz(char *p) {
     unassert(z.n >= W * 2 && !(z.n & (W - 1)));
     z.i = *(size_t *)(p + z.n - W);
     if (!IsTiny() && W == 8) {
-      /*
-       * This check should fail if an append*() function was passed a
-       * pointer that was allocated manually by malloc(). Append ptrs
-       * can be free()'d safely, but they need to be allocated by the
-       * append library, because we write a special value to the end.
-       */
+      // This check should fail if an append*() function was passed a
+      // pointer that was allocated manually by malloc(). Append ptrs
+      // can be free()'d safely, but they need to be allocated by the
+      // append library, because we write a special value to the end.
       unassert((z.i >> 48) == APPEND_COOKIE);
       z.i &= 0x0000ffffffffffff;
     }

libc/stdio/dirstream.c

@@ -413,24 +413,6 @@ static struct dirent *readdir_zipos(DIR *dir) {
   return ent;
 }
 
-static void *golden(void *a, const void *b, size_t n) {
-  size_t i;
-  char *volatile d = a;
-  const char *volatile s = b;
-  if (d > s) {
-    for (i = n; i--;) {
-      d[i] = s[i];
-      asm volatile("" ::: "memory");
-    }
-  } else {
-    for (i = 0; i < n; ++i) {
-      d[i] = s[i];
-      asm volatile("" ::: "memory");
-    }
-  }
-  return d;
-}
-
 static struct dirent *readdir_unix(DIR *dir) {
   if (dir->buf_pos >= dir->buf_end) {
     long basep = dir->tell;

libc/stdio/puts.c

@@ -20,7 +20,7 @@
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 
-static inline int PutsImpl(const char *s, FILE *f) {
+static inline int puts_unlocked(const char *s, FILE *f) {
   size_t n, r;
   if ((n = strlen(s))) {
     r = fwrite_unlocked(s, 1, n, f);
@@ -45,7 +45,7 @@ int puts(const char *s) {
   int bytes;
   f = stdout;
   flockfile(f);
-  bytes = PutsImpl(s, f);
+  bytes = puts_unlocked(s, f);
   funlockfile(f);
   return bytes;
 }