Modify, read and display user preferences.
void set_fi_friends_in_game(bool value)
bool whisper_friends_only()
bool fi_blocked_in_game()
void set_fi_vacant_slots(bool value)
bool fi_friends_in_game()
void set_fi_blocked_in_game(bool value)
void set_fi_invert(bool value)
void set_whisper_friends_only(bool v)
bool auto_open_whisper_windows()