10 && ($age%100)<20) $ap='th'; else switch($age%10) { case 1: $ap = 'st'; break; case 2: $ap = 'nd'; break; case 3: $ap = 'rd'; break; default: $ap = 'th'; break; } return $age.$ap; else return false; } ?>]]> Other than a little bit of added parameter parsing, if you compare the C version of ~birthday()~ to the PHP version, it isn't that much harder to write it in C. 10 && (age%100)<19) sprintf(ret_age,"%dth",age); else switch(age % 10) { case 1: sprintf(ret_age,"%dst",age); break; case 2: sprintf(ret_age,"%dnd",age); break; case 3: sprintf(ret_age,"%drd",age); break; default:sprintf(ret_age,"%dth",age); break; } } else { RETURN_FALSE; } RETURN_STRING(ret_age,1); } ]]>