sigemptyset.c\signal\src - musl - musl - an implementation of the standard library for Linux-based systems

#include <signal.h>
#include <string.h>
int sigemptyset(sigset_t *set)
{
	set->__bits[0] = 0;
	if (sizeof(long)==4 || _NSIG > 65) set->__bits[1] = 0;
	if (sizeof(long)==4 && _NSIG > 65) {
		set->__bits[2] = 0;
		set->__bits[3] = 0;
	}
	return 0;
}