#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;
}