1#include <signal.h>
2#include <string.h>
3
4int sigemptyset(sigset_t* set) {
5    set->__bits[0] = 0;
6    if (sizeof(long) == 4 || _NSIG > 65)
7        set->__bits[1] = 0;
8    if (sizeof(long) == 4 && _NSIG > 65) {
9        set->__bits[2] = 0;
10        set->__bits[3] = 0;
11    }
12    return 0;
13}
14