-extern struct map *default_exports(struct client_state *csp, char *caller);
-extern struct map *map_block_killer(struct map *map, char *name);
-extern struct map *map_conditional(struct map *exports, char *name, int choose_first);
-extern char *fill_template(struct client_state *csp, const char *template, struct map *exports);
+extern struct map * default_exports(const struct client_state *csp, const char *caller);
+extern void map_block_killer(struct map *map, const char *name);
+extern void map_conditional(struct map *exports, const char *name, int choose_first);
+extern char *fill_template(struct client_state *csp, const char *templatename, struct map *exports);