(PHP 4 >= 4.2.0, PHP 5 <= 5.0.5)
ircg_set_file — Set logfile for connection
ircg_set_file() specifies a logfile in which all output from the current connection will be logged.
A connection resource handle returned by ircg_pconnect().
Path to the logfile.
如果成功则返回 TRUE,失败则返回 FALSE。