17 	sem_t sem;
84 int sem_destroy(sem_t *semaphore)  in sem_destroy()
105 int sem_getvalue(sem_t *semaphore, int *value)  in sem_getvalue()
121 int sem_init(sem_t *semaphore, int pshared, unsigned int value)  in sem_init()
144 int sem_post(sem_t *semaphore)  in sem_post()
160 int sem_timedwait(sem_t *semaphore, struct timespec *abstime)  in sem_timedwait()
199 int sem_trywait(sem_t *semaphore)  in sem_trywait()
214 int sem_wait(sem_t *semaphore)  in sem_wait()
221 sem_t *sem_open(const char *name, int oflags, ...)  in sem_open()
237 		return (sem_t *)SEM_FAILED;  in sem_open()
242 		return (sem_t *)SEM_FAILED;  in sem_open()
248 		return (sem_t *)SEM_FAILED;  in sem_open()
345 int sem_close(sem_t *sem)  in sem_close()
362 int nsem_get_ref_count(sem_t *sem)  in nsem_get_ref_count()