1/* Extended regular expression matching and search library,
2   version 0.12.
3   (Implements POSIX draft P10003.2/D11.2, except for
4   internationalization features.)
5
6   Copyright (C) 1993 Free Software Foundation, Inc.
7
8   This program is free software; you can redistribute it and/or modify
9   it under the terms of the GNU General Public License as published by
10   the Free Software Foundation; either version 2, or (at your option)
11   any later version.
12
13   This program is distributed in the hope that it will be useful,
14   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   GNU General Public License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with this program; if not, write to the Free Software
20   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
21
22/* (this file was downloaded from
23 * https://raw.githubusercontent.com/ge-ne/bibtool/master/regex-0.12/test/printchar.c ,
24 * where no copyright header is included).
25 */
26#ifdef DEBUG
27
28void
29printchar (c)
30     char c;
31{
32  if (c < 040 || c >= 0177)
33    {
34      putchar ('\\');
35      putchar (((c >> 6) & 3) + '0');
36      putchar (((c >> 3) & 7) + '0');
37      putchar ((c & 7) + '0');
38    }
39  else
40    putchar (c);
41}
42
43#endif
44