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b168057a | 1 | /* Copyright (C) 1991-2015 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
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5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
478b92f0 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
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15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 17 | |
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18 | #include <unistd.h> |
19 | #include <termios.h> | |
20 | ||
21 | /* Return 1 if FD is a terminal, 0 if not. */ | |
22 | int | |
bd2260a2 | 23 | __isatty (int fd) |
28f540f4 | 24 | { |
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25 | struct termios term; |
26 | ||
9271a050 | 27 | return __tcgetattr (fd, &term) == 0; |
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28 | } |
29 | ||
30 | weak_alias (__isatty, isatty) |