NAME
        RemSegment - Removes a resident segment from the resident list (V36)

   SYNOPSIS
        success = RemSegment(segment)
        D0                      D1

        bool remsegment(struct segment *)

   FUNCTION
        Removes a resident segment from the Dos resident segment list,
        unloads it, and does any other cleanup required.  Will only succeed
        if the seg_UC (usecount) is 0.

   INPUTS
        segment - the segment to be removed

   RESULT
        success - success or failure.

   SEE ALSO
        findsegment(), addsegment()