int common_channels(userrec *u, userrec *u2);
void Blocking(int s);
void NonBlocking(int s);
-int CleanAndResolve(char *resolvedHost, const char *unresolvedHost, bool forward, unsigned long timeout);
int c_count(userrec* u);
void ChangeName(userrec* user, const char* gecos);
void ChangeDisplayedHost(userrec* user, const char* host);