sem_trywait       147 include/sys/prex.h int	sem_trywait(sem_t *sp);
sem_trywait        76 sys/include/sync.h int	 sem_trywait(sem_t *);
sem_trywait       135 sys/kern/sysent.c 	/* 52 */ SYSENT(1, sem_trywait),
sem_trywait        94 usr/test/sem/sem.c 	error = sem_trywait(&sem);