+/* Function MutexRemove: remove the mutex/semphore. See Mutex.c */
+inline int MutexRemove(int sem_id);
+/* Function CreateMutex: create a mutex (using file locking). See Mutex.c */
+inline int CreateMutex(const char *path_name);
+/* Function UnlockMutex: find a mutex (using file locking). See Mutex.c */
+inline int FindMutex(const char *path_name);