int common_channels(userrec *u, userrec *u2);
void WriteCommon(userrec *u, char* text, ...);
void WriteCommonExcept(userrec *u, char* text, ...);
-void WriteWallOps(userrec *source, char* text, ...);
+void WriteWallOps(userrec *source, bool local_only, char* text, ...);
int isnick(const char *n);
userrec* Find(std::string nick);
chanrec* FindChan(const char* chan);