blob: a705da732e2d4e7453099de05155f5bd142c66c0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
/* 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. */
#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;
}
|