38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/* yesno.c -- read a yes/no response from stdin
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Copyright (C) 1990 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <stdio.h>
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/* Read one line from standard input
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and return nonzero if that line begins with y or Y,
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otherwise return 0. */
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int
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yesno ()
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{
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int c;
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int rv;
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fflush (stderr);
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c = getchar ();
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rv = (c == 'y') || (c == 'Y');
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while (c != EOF && c != '\n')
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c = getchar ();
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return rv;
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}
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