
{
{   The purpose of this procedure is to validate a segment.  Pointers to the
{ segment's SDT and SDTX entries are returned.  The segment number is
{ checked to see if it is within the bounds of the segment table and whether the
{ valid bit is set.
{
{        MMP$VALIDATE_SEGMENT_NUMBER (SEGMENT_NUMBER, SDT_ENTRY_P,
{          SDTX_ENTRY_P, STATUS)
{
{ SEGMENT_NUMBER: (input) This parameter specifies the segment to be
{        validated.
{
{ SDT_ENTRY_P: (output) This parameter is where a pointer to the SDT entry
{        is returned.
{
{ SDTX_ENTRY_P: (output) This parameter is where a pointer to the SDTX entry
{        is returned.
{
{ STATUS: (output) This parameter is where the request status is returned
{        to the caller.  The possible error codes are:
{              mme$segment_number_not_in_use
{              mme$segment_number_too_big
{

