shithub: scc

ref: 1fcd39f3a818478f4d7da9bb333e02d06531ddd4
dir: /lib/c/atexit.c/

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#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 = ENOMEM;
		return -1;
	}
	_exitf[_exitn++] = fun;
	return 0;
}