Mercurial > gnulib
view lib/yesno.c @ 255:ed27c3582f3b
GNU file utilities
author | Jim Meyering <jim@meyering.net> |
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date | Sun, 02 Oct 1994 05:35:03 +0000 |
parents | 7010ad1d3e31 |
children |
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/* yesno.c -- read a yes/no response from stdin Copyright (C) 1990 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. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <stdio.h> /* Read one line from standard input and return nonzero if that line begins with y or Y, otherwise return 0. */ int yesno () { int c; int rv; fflush (stderr); c = getchar (); rv = (c == 'y') || (c == 'Y'); while (c != EOF && c != '\n') c = getchar (); return rv; }