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/*
* Part of liwc, a collection of tools for manipulating C source code
* Copyright (c) 1994-2003 Lars Wirzenius
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
/*
* Name: entrigraph.c
* Purpose: Put trigraphs into C source code file.
* Author: Lars Wirzenius
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <publib.h>
int entrigraph(FILE *f, char *fname, void *dummy) {
int c;
char tri[] = "()<>!'-=/"; /* list of trigraphs... */
char realchars[] = "[]{}|^~#\\"; /* ...and corresponding chars */
char *p;
while ((c = getc(f)) != EOF) {
if ((p = strchr(realchars, c)) == NULL)
putchar(c);
else
printf("?\?%c", tri[p-realchars]);
}
return 0;
}
int main(int argc, char **argv) {
set_progname(argv[0], "entrigraph");
if (main_filter(argc-1, argv+1, entrigraph, NULL) == -1)
exit(EXIT_FAILURE);
exit(0);
}
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