IPC_SET
if ((r = semctl(semid, 1, IPC_SET, arg)) < 0)
if ((r = shmctl(shmid, IPC_SET, &shmid_ds)) < 0)
case IPC_SET:
case IPC_SET:
case IPC_SET:
case IPC_SET:
case IPC_SET:
case IPC_SET:
case IPC_SET:
case IPC_SET:
case IPC_SET:
case IPC_SET:
case IPC_SET:
case IPC_SET:
case IPC_SET: