(PHP 4 >= 4.0.5, PHP 5)
ircg_lookup_format_messages -- Check for the existence of a format message setCheck for the existence of the format message set name. Sets may be registered with ircg_register_format_messages(), a default set named ircg is always available. Returns TRUE, if the set exists and FALSE otherwise.
See also: ircg_register_format_messages()