I'd like to send this letter by <a href=" http://liffeysoundfm.ie/motrin-generic-name.pptx ">motrin 600 uses</a> One of the modifications to Thttpd includes a function called alpha_auth_check, even though there is already a native function check_login to verify whether the user is logged in. The custom function instead checks for certain information in the user's request and determines whether to skip native authentication checks.