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/* Child program invoked by test-pipe-filter-ii2-main.
Copyright (C) 2009-2016 Free Software Foundation, Inc.
Written by Paolo Bonzini <bonzini@gnu.org>, 2009.
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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
int
main ()
{
/* Repeatedly: Read two integers i and j, then output all integers in the
range i..j, one per line. */
for (;;)
{
int i, j;
if (scanf (" %d", &i) != 1)
break;
if (scanf (" %d", &j) != 1)
break;
if (j == -1)
exit (i);
while (i <= j)
printf ("abcdefghijklmnopqrstuvwxyz%d\n", i++);
}
exit (0);
}
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