/* Extended regular expression matching and search library, version 0.12. (Implements POSIX draft P10003.2/D11.2, except for internationalization features.) Copyright (C) 1993 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* (this file was downloaded from * https://raw.githubusercontent.com/ge-ne/bibtool/master/regex-0.12/test/printchar.c , * where no copyright header is included). */ #ifdef DEBUG void printchar (c) char c; { if (c < 040 || c >= 0177) { putchar ('\\'); putchar (((c >> 6) & 3) + '0'); putchar (((c >> 3) & 7) + '0'); putchar ((c & 7) + '0'); } else putchar (c); } #endif