ref: b0377e84cf31c48afed765c433abe7eebb4135a5
dir: /sys/src/ape/lib/ap/stdio/exit.c/
#include <unistd.h> #define NONEXIT 34 int (*_atexitfns[NONEXIT])(void); void _doatexits(void){ int i, (*f)(void); for(i = NONEXIT-1; i >= 0; i--) if(_atexitfns[i]){ f = _atexitfns[i]; _atexitfns[i] = 0; /* self defense against bozos */ (*f)(); } } void exit(int status) { _doatexits(); _exit(status); }