-int is_valid_chan(const char *name);
-struct ChanNode* getAllChans(struct ChanNode *last);
-struct ChanNode* getChanByName(const char *name);
+/* MODULAR ACCESSIBLE */ int is_valid_chan(const char *name);
+/* MODULAR ACCESSIBLE */ struct ChanNode* getAllChans(struct ChanNode *last);
+/* MODULAR ACCESSIBLE */ struct ChanNode* getChanByName(const char *name);