/* 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_); }