/*  $DOC$
 *  $FUNCNAME$
 *      CHARRELA()
 *  $CATEGORY$
 *      HBCT string functions
 *  $ONELINER$
 *      Character relation of two strings
 *  $SYNTAX$
 *      CHARRELA (<cStringToMatch1>, <cString1>,
 *                <cStringToMatch2>, <cString2>) -> nPosition
 *  $ARGUMENTS$
 *  $RETURNS$
 *  $DESCRIPTION$
 *      TODO: add documentation
 *  $EXAMPLES$
 *  $TESTS$
 *  $STATUS$
 *      Started
 *  $COMPLIANCE$
 *      CHARRELA() is compatible with CT3's CHARRELA().
 *  $PLATFORMS$
 *      All
 *  $FILES$
 *      Source is relation.c, library is libct.
 *  $SEEALSO$
 *      CHARRELREP()
 *  $END$
 */
/*  $DOC$
 *  $FUNCNAME$
 *      CHARRELREP()
 *  $CATEGORY$
 *      HBCT string functions
 *  $ONELINER$
 *      Relation dependant character replacement 
 *  $SYNTAX$
 *      CHARRELREP (<cStringToMatch1>, <cString1>,
 *                  <cStringToMatch2>, <[@]cString2>,
 *                  <cReplacement>) -> cString
 *  $ARGUMENTS$
 *  $RETURNS$
 *  $DESCRIPTION$
 *      TODO: add documentation
 *  $EXAMPLES$
 *  $TESTS$
 *  $STATUS$
 *      Started
 *  $COMPLIANCE$
 *      CHARRELREP() is compatible with CT3's CHARRELREP().
 *  $PLATFORMS$
 *      All
 *  $FILES$
 *      Source is relation.c, library is libct.
 *  $SEEALSO$
 *      CHARRELA(),CSETREF()
 *  $END$
 */
