-extern void ghost_update (pacmangamestruct * pp, ghoststruct * g);
-extern void pac_clear_trace (pacmanstruct * p);
-extern void pac_update (ModeInfo * mi, pacmangamestruct * pp,
+extern void pacman_ghost_update (pacmangamestruct * pp, ghoststruct * g);
+extern void pacman_clear_trace (pacmanstruct * p);
+extern void pacman_update (ModeInfo * mi, pacmangamestruct * pp,