shmget
if ((Shm_id[cnt] = shmget(IPC_PRIVATE, size, 0)) < 0)
if ((id = shmget(k, 0, 0)) == -1)
if ((m2_shm_id = shmget(key, sizeof(*m2_shm_sem), 0666 | (var ? 0 : IPC_CREAT|IPC_EXCL))) == -1) {
(infop->segid = shmget(0, infop->size, IPC_PRIVATE | 0600)) == -1)
*shmid = shmget(key, size, shmflg);
if ((shm_id = shmget(IPC_PRIVATE, size, IPC_CREAT|IPC_EXCL)) == -1)
shm_id = shmget(shm_key, 0, 0);
shm_id = shmget(shm_key,
error = shmget((key_t)a0, (size_t)a1, (int)a2, &r_val);
int shmget(key_t, size_t, int);