MASKSET1
(void) printf("#define\tMASKSET1\t0x%x\n", MASKSET1);
(void) printf("#define\tMASKSET1\t0x%x\n", MASKSET1);
((s)->__sigbits[1] &= (MASKSET1 & ~SIGMASK(SIGCANCEL))),\
const sigset_t maskset = {MASKSET0, MASKSET1, MASKSET2, MASKSET3};
(void) printf("#define\tMASKSET1\t0x%lx\n", MASKSET1);