NAME
        FindTagItem -- scan a tag list for a specific tag. (V36)

   SYNOPSIS
        tag = FindTagItem(tagValue,tagList);
        D0                D0       A0

        struct tagitem *findtagitem(tag,struct tagitem *);

   FUNCTION
        Scans a tag list and returns a pointer to the first item with
        ti_Tag matching the 'tagValue' parameter.

   INPUTS
        tagValue - tag value to search for
        tagList - tag item list to search (may be NULL)

   RESULTS
        tag - a pointer to the item with ti_Tag matching 'tagValue' or NULL
              if no match was found.

   SEE ALSO
        <utility/tagitem.h>, gettagdata(), packbooltags(), nexttagitem()