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

     1  #define _GNU_SOURCE
     2  #include <signal.h>
     3  
     4  #define SST_SIZE (_NSIG/8/sizeof(long))
     5  
     6  int sigandset(sigset_t *dest, const sigset_t *left, const sigset_t *right)
     7  {
     8  	unsigned long i = 0, *d = (void*) dest, *l = (void*) left, *r = (void*) right;
     9  	for(; i < SST_SIZE; i++) d[i] = l[i] & r[i];
    10  	return 0;
    11  }
    12