ref: 4eaac6bfb11cc84259e8b418d4babffdf1c637eb dir: /lib/c/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); }