ref: 3f1b3e7a7b4735ce4b796b174986d52dccdc1fa7
dir: /src/libc/stdlib/exit.c/
#include <stdlib.h>
#include "../libc.h"
#undef exit
void (*_exitf[_ATEXIT_MAX])(void);
unsigned _exitn;
void
exit(int status)
{
while (_exitn > 0)
(*_exitf[--_exitn])();
_Exit(status);
}