-extern int Threads_SetName(char *NewName);
-extern int Threads_GetPID();
-extern int Threads_GetTID();
-extern tUID Threads_GetUID();
-extern int Threads_SetUID(Uint *errno, tUID ID);
-extern tGID Threads_GetGID();
-extern int Threads_SetGID(Uint *errno, tGID ID);