1 #include <sys/types.h> 2 #include <sys/ipc.h> 3 #include <sys/sem.h> 4 5 #if __STDC__ 6 int semctl(int semid, int semnum, int cmd, union semun semun) 7 #else 8 int semctl(semid, int semnum, cmd, semun) 9 int semid, semnum; 10 int cmd; 11 union semun semun; 12 #endif 13 { 14 return (semsys(0, semid, semnum, cmd, &semun)); 15 } 16