+void CtdlRegisterRoomHook(int (*fcn_ptr)(struct ctdlroom *))
+{
+ struct RoomFunctionHook *newfcn;
+
+ newfcn = (struct RoomFunctionHook *)
+ malloc(sizeof(struct RoomFunctionHook));
+ newfcn->next = RoomHookTable;
+ newfcn->fcn_ptr = fcn_ptr;
+ RoomHookTable = newfcn;
+
+ lprintf(CTDL_INFO, "Registered a new room function\n");
+}
+
+
+void CtdlUnregisterRoomHook(int (*fcn_ptr)(struct ctdlroom *))
+{
+ struct RoomFunctionHook *cur, *p;
+
+ for (cur = RoomHookTable; cur != NULL; cur = cur->next) {
+ while (cur != NULL && fcn_ptr == cur->fcn_ptr) {
+ lprintf(CTDL_INFO, "Unregistered room function\n");
+ p = cur->next;
+ if (cur == RoomHookTable) {
+ RoomHookTable = p;
+ }
+ free(cur);
+ cur = p;
+ }
+ }
+}
+
+
+void CtdlDestroyRoomHooks(void)
+{
+ struct RoomFunctionHook *cur, *p;
+
+ cur = RoomHookTable;
+ while (cur != NULL)
+ {
+ lprintf(CTDL_INFO, "Unregistered room function\n");
+ p = cur->next;
+ free(cur);
+ cur = p;
+ }
+ RoomHookTable = NULL;
+}
+