-msgctl sys_msg.h XSI msgctl - XSI message control operations int msgctl(int msqid, int cmd, struct msqid_ds *buf);
-msgget sys_msg.h XSI msgget - get the XSI message queue identifier int msgget(key_t key, int msgflg);
-msgrcv sys_msg.h XSI msgrcv - XSI message receive operation ssize_t msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg);
-msgsnd sys_msg.h XSI msgsnd - XSI message send operation int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg);
-msync sys_mman.h XSI msync - synchronize memory with physical storage int msync(void *addr, size_t len, int flags);
-munlock sys_mman.h MLR mlock, munlock - lock or unlock a range of process address space (<b>REALTIME</b>) int munlock(const void *addr, size_t len);
-munlockall sys_mman.h ML mlockall, munlockall - lock/unlock the address space of a process (<b>REALTIME</b>) int munlockall(void);
-munmap sys_mman.h munmap - unmap pages of memory int munmap(void *addr, size_t len);
+msgctl sys/msg.h XSI msgctl - XSI message control operations int msgctl(int msqid, int cmd, struct msqid_ds *buf);
+msgget sys/msg.h XSI msgget - get the XSI message queue identifier int msgget(key_t key, int msgflg);
+msgrcv sys/msg.h XSI msgrcv - XSI message receive operation ssize_t msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg);
+msgsnd sys/msg.h XSI msgsnd - XSI message send operation int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg);
+msync sys/mman.h XSI msync - synchronize memory with physical storage int msync(void *addr, size_t len, int flags);
+munlock sys/mman.h MLR mlock, munlock - lock or unlock a range of process address space (<b>REALTIME</b>) int munlock(const void *addr, size_t len);
+munlockall sys/mman.h ML mlockall, munlockall - lock/unlock the address space of a process (<b>REALTIME</b>) int munlockall(void);
+munmap sys/mman.h munmap - unmap pages of memory int munmap(void *addr, size_t len);