ref: 42da25d1f1b2108c6fb982129e8a749a5f5d2000
dir: /src/libc/stdlib/exit.c/
#include <stdlib.h>
#undef exit
void (*_exitf[_ATEXIT_MAX])(void);
unsigned _exitn;
void
exit(int status)
{
while (_exitn > 0)
(*_exitf[--_exitn])();
_Exit(status);
}