1 /* $Id: $ */
2
3 /* Copyright (C) 1997 Sverre Hvammen Johansen,
4 * Department of Informatics, University of Oslo.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20 #include "cim.h"
21
22 /******************************************************************************
23 CHARACTER PROCEDURE LOWTEN(c) */
24
25 char
__rlowten(c)26 __rlowten (c)
27 char c;
28 {
29 char s;
30 if (isdigit (c) || c == '+' || c == '-'
31 || c == '.' || c == ',' || c == 127 || c < 32
32 || __risorank (c) > 127)
33 __rerror ("Lowten: Illegal character");
34
35 s = __currentlowten;
36 __currentlowten = c;
37 return (s);
38 }
39