MAX_CONF_MSG_LEN
char msgbuf[MAX_CONF_MSG_LEN];
conf_error_msg(err, msgbuf, MAX_CONF_MSG_LEN, &strans);
conf_error_msg(err, msgbuf, MAX_CONF_MSG_LEN, NULL);
char msgbuf[MAX_CONF_MSG_LEN];
conf_error_msg(conferr, msgbuf, MAX_CONF_MSG_LEN, NULL);
conf_error_msg(conferr, msgbuf, MAX_CONF_MSG_LEN, ptr);