struct userNode* GetUserH(const char *nick); /* using nick */
struct chanNode* GetChannel(const char *name);
struct modeNode* GetUserMode(struct chanNode* channel, struct userNode* user);
struct userNode* GetUserH(const char *nick); /* using nick */
struct chanNode* GetChannel(const char *name);
struct modeNode* GetUserMode(struct chanNode* channel, struct userNode* user);