SIG_SETMASK       122 lib/sigaction.c   sigprocmask (SIG_SETMASK, &oldmask, NULL);
SIG_SETMASK       196 lib/sigaction.c   sigprocmask (SIG_SETMASK, &oldmask, NULL);
SIG_SETMASK       201 lib/sigaction.c   sigprocmask (SIG_SETMASK, &oldmask, NULL);
SIG_SETMASK       211 lib/sigprocmask.c         case SIG_SETMASK:
SIG_SETMASK      1192 src/sdiff.c      sigprocmask (SIG_SETMASK, &procmask, 0);