Extern or forward variable declaration at ipc/util.h, line 86 References: ipc/msg.c, line 76 ipc/msg.c, line 1042 ipc/sem.c, line 150 ipc/sem.c, line 2132 ipc/shm.c, line 72 ipc/shm.c, line 1320 ipc/util.c, line 71 ipc/util.c, line 169 ipc/util.c, line 841 ipc/util.c, line 858 ipc/util.c, line 884 ipc/util.c, line 900 ipc/util.c, line 921 ipc/util.c, line 947 ipc/util.h, line 86 ipc/util.h, line 92