/*  $DOC$
 *  $FUNCNAME$
 *      CHAREVEN()
 *  $CATEGORY$
 *      HBCT string functions
 *  $ONELINER$
 *      Returns the characters on the even positions in a string
 *  $SYNTAX$
 *      CHAREVEN (<cString>) --> cEvenString
 *  $ARGUMENTS$
 *      <cString>      processed string
 *  $RETURNS$
 *      <cEvenString>  a string containing all character from even positions
 *                     in <cString>
 *  $DESCRIPTION$
 *      The CHAREVEN() function looks for the characters on the even positions
 *      in a given string, collects them and returns them as a string.
 *  $EXAMPLES$
 *      ? CHAREVEN (" H E L L O !") -> "HELLO!"
 *  $TESTS$
 *      CHAREVEN (" 1 2 3 4 5") == "12345"
 *      CHAREVEN (" 1 2 3 4 ") == "1234"
 *      CHAREVEN (" ") == ""
 *  $STATUS$
 *      Ready
 *  $COMPLIANCE$
 *      CHAREVEN() is compatible with CT3's CHAREVEN().
 *  $PLATFORMS$
 *      All
 *  $FILES$
 *      Source is charevod.c, library is ct3.
 *  $SEEALSO$
 *      CHARODD()  CHARMIX()
 *  $END$
 */
/*  $DOC$
 *  $FUNCNAME$
 *      CHARODD()
 *  $CATEGORY$
 *      HBCT string functions
 *  $ONELINER$
 *      Returns the characters on the odd positions in a string
 *  $SYNTAX$
 *      CHARODD (<cString>) --> cOddString
 *  $ARGUMENTS$
 *      <cString>      processed string
 *  $RETURNS$
 *      <cOddString>  a string containing all character from odd positions
 *                    in <cString>
 *  $DESCRIPTION$
 *      The CHARODD() function looks for the characters on the odd positions
 *      in a given string, collects them and returns them as a string.
 *  $EXAMPLES$
 *      ? CHARODD ("H E L L O ! ") -> "HELLO!"
 *  $TESTS$
 *      CHARODD ("1A2B3C4D5E") == "12345"
 *      CHARODD ("1A2B3C4D5")  == "12345"
 *  $STATUS$
 *      Ready
 *  $COMPLIANCE$
 *      CHARODD() is compatible with CT3's CHARODD().
 *  $PLATFORMS$
 *      All
 *  $FILES$
 *      Source is charevod.c, library is ct3.
 *  $SEEALSO$
 *      CHAREVEN()  CHARMIX()
 *  $END$
 */
