semop            2259 ipc/sem.c      SYSCALL_DEFINE3(semop, int, semid, struct sembuf __user *, tsops,
semop             222 kernel/sys_ni.c COND_SYSCALL(semop);
semop               3 tools/testing/selftests/powerpc/syscalls/ipc.h DO_TEST(semop, __NR_semop)