#define IPCOP_semop 1 #define IPCOP_semget 2 #define IPCOP_semctl 3 #define IPCOP_msgsnd 11 #define IPCOP_msgrcv 12 #define IPCOP_msgget 13 #define IPCOP_msgctl 14 #define IPCOP_shmat 21 #define IPCOP_shmdt 22 #define IPCOP_shmget 23 #define IPCOP_shmctl 24 #define IPC_MODERN 0x100