github.com/afumu/libc@v0.0.6/musl/src/signal/sigemptyset.c (about)

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