| /* Copyright (C) 1995 Free Software Foundation, Inc. |
| This file is part of GNU Fortran libU77 library. |
| |
| This library is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Library General Public License as published |
| by the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| GNU Fortran 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with GNU Fortran; see the file COPYING.LIB. If |
| not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| #if HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| #include "f2c.h" |
| #include "fio.h" |
| |
| extern integer G77_fnum_0 (integer *); |
| |
| logical |
| G77_isatty_0 (integer * lunit) |
| { |
| if (f__init != 1) f_init(); |
| if (*lunit >= MXUNIT || *lunit < 0) |
| err (1, 101, "isatty"); |
| /* f__units is a table of descriptions for the unit numbers (defined |
| in io.h) with file descriptors rather than streams */ |
| return (isatty (G77_fnum_0 (lunit)) ? TRUE_ : FALSE_); |
| } |