sm_blocksignal
extern int sm_blocksignal __P((int));
wasblocked = sm_blocksignal(SIGALRM);
wasblocked = sm_blocksignal(SIGALRM);
wasblocked = sm_blocksignal(SIGALRM);
(void) sm_blocksignal(SIGALRM);
sm_blocksignal(SIGCHLD);
(void) sm_blocksignal(SIGALRM);
(void) sm_blocksignal(SIGALRM);
(void) sm_blocksignal(SIGCHLD);
(void) sm_blocksignal(SIGCHLD);
wasblocked = sm_blocksignal(SIGCHLD);
sm_blocksignal(SIGCHLD);
(void) sm_blocksignal(SIGCHLD);
(void) sm_blocksignal(SIGALRM);
chldwasblocked = sm_blocksignal(SIGCHLD);
chldwasblocked = sm_blocksignal(SIGCHLD);
chldwasblocked = sm_blocksignal(SIGCHLD);
alrmwasblocked = sm_blocksignal(SIGALRM);