1  /* Child program invoked by test-pipe-filter-ii2-main.
       2  
       3     Copyright (C) 2009-2023 Free Software Foundation, Inc.
       4     Written by Paolo Bonzini <bonzini@gnu.org>, 2009.
       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, either version 3 of the License, or
       9     (at your option) any later version.
      10  
      11     This program is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14     GNU General Public License for more details.
      15  
      16     You should have received a copy of the GNU General Public License
      17     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <config.h>
      20  
      21  #include <stdio.h>
      22  #include <stdlib.h>
      23  #include <unistd.h>
      24  
      25  #include "binary-io.h"
      26  
      27  int
      28  main ()
      29  {
      30    set_binary_mode (STDOUT_FILENO, O_BINARY);
      31  
      32    /* Repeatedly: Read two integers i and j, then output all integers in the
      33       range i..j, one per line.  */
      34    for (;;)
      35      {
      36        int i, j;
      37  
      38        if (scanf (" %d", &i) != 1)
      39          break;
      40        if (scanf (" %d", &j) != 1)
      41          break;
      42        if (j == -1)
      43          exit (i);
      44        while (i <= j)
      45          printf ("abcdefghijklmnopqrstuvwxyz%d\n", i++);
      46      }
      47    exit (0);
      48  }