ref: 64fa51cfd8c6099b14a3de110f1b620d6f12f242 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); }