#include <semaphore.h>

static void f()

{

{sem_t *x = SEM_FAILED;}

int(*p_sem_close)(sem_t*) = sem_close;

int(*p_sem_destroy)(sem_t*) = sem_destroy;

int(*p_sem_getvalue)(sem_t*restrict,int*restrict) = sem_getvalue;

int(*p_sem_init)(sem_t*,int,unsigned) = sem_init;

sem_t*(*p_sem_open)(const char*,int,...) = sem_open;

int(*p_sem_post)(sem_t*) = sem_post;

int(*p_sem_trywait)(sem_t*) = sem_trywait;

int(*p_sem_unlink)(const char*) = sem_unlink;

int(*p_sem_wait)(sem_t*) = sem_wait;

}

#include <time.h>

static void g()

{

int(*p_sem_timedwait)(sem_t*restrict,const struct timespec*restrict) = sem_timedwait;

}