6 uses of USERNAME_MAX_LENGTH in Drupal 5
- user_admin_check_user in modules/
user/ user.module - user_edit_form in modules/
user/ user.module - user_login in modules/
user/ user.module - user_login_block in modules/
user/ user.module - user_pass in modules/
user/ user.module - user_validate_name in modules/
user/ user.module - Verify the syntax of the given name.