oset               44 usr/lib/libc/stdio/tmpfile.c 	sigset_t set, oset;
oset               54 usr/lib/libc/stdio/tmpfile.c 	(void)sigprocmask(SIG_BLOCK, &set, &oset);
oset               60 usr/lib/libc/stdio/tmpfile.c 	(void)sigprocmask(SIG_SETMASK, &oset, NULL);