ref: 298d40ee45af86e00de6cd59f9cd27a0762e295a dir: /lib/c/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); }