git: 9front

ref: 21e7afa6399a82eb6e2d6e8dee6ad6b6812eae78
dir: /sys/src/ape/lib/ap/stdio/exit.c/

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#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);
}