1 /* Child program invoked by test-pipe-filter-gi2-main. 2 3 Copyright (C) 2009-2021 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 24 int 25 main () /* */ 26 { 27 /* Repeatedly: Read two integers i and j, then output all integers in the 28 range i..j, one per line. */ 29 for (;;) 30 { 31 int i, j; 32 33 if (scanf (" %d", &i) != 1) 34 break; 35 if (scanf (" %d", &j) != 1) 36 break; 37 if (j == -1) 38 exit (i); 39 while (i <= j) 40 printf ("abcdefghijklmnopqrstuvwxyz%d\n", i++); 41 } 42 exit (0); 43 }