ref: 7f794f6356aa288402b0b1b60a47741d987a7e07
dir: /libc/src/atexit.c/
/* See LICENSE file for copyright and license details. */
#include <stdlib.h>
#include <errno.h>
#undef atexit
extern void (*_exitf[_ATEXIT_MAX])(void);
extern unsigned _exitn;
int
atexit(void (*fun)(void))
{
if (_exitn == _ATEXIT_MAX) {
errno = ENOMEN;
return -1;
}
_exitf[_exitn++] = fun;
return 0;
}