516:/secure/login.c (/secure/login.c)
(int) valid_name(string str)
/*
 * Function name: valid_name
 * Description  : Check that a player name is valid. The name must be at
 *                least two characters long and at most eleven characters.
 *                We only allow lowercase letters. Also, generally offensive
 *                names are not allowed.
 * Arguments    : string str - the name to check.
 * Returns      : int 1/0 - true if the name is allowed.
 */
