an unsigned type meant to index arrays. (By convention, arrays are not indexed negatively.) An index which is not valid is INVALID_INDEX, which equates to 0xFFFFFFFFUL or negative one cast as an INDEX... ((INDEX)-1).
Created with a commercial version of Doc-O-Matic. In order to make this message disappear you need to register this software. If you have problems registering this software please contact us at firstname.lastname@example.org.