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/intrin/divti3.c

@@ -17,6 +17,6 @@
  * @return quotient or result of division
  * @note rounds towards zero
  */
-COMPILER_RT_ABI ti_int __divti3(ti_int a, ti_int b) {
+ti_int __divti3(ti_int a, ti_int b) {
   return __divmodti4(a, b, NULL);
 }