1 files changed, 64 insertions, 0 deletions
diff --git a/libf2c/libU77/ttynam_.c b/libf2c/libU77/ttynam_.c
new file mode 100644
index 00000000000..cb1d1e9a35c
--- /dev/null
+++ b/libf2c/libU77/ttynam_.c
@@ -0,0 +1,64 @@
+/* Copyright (C) 1995, 1996 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
+#include <sys/types.h>
+#if STDC_HEADERS
+#  include <stdlib.h>
+#endif
+#if HAVE_UNISTD_H
+#  include <unistd.h>		/* POSIX for ttyname */
+#endif
+#include <stdio.h>
+#if HAVE_STRING_H
+#  include <string.h>
+#else
+#  include <strings.h>
+#endif
+#include <errno.h>		/* for ENOSYS */
+#include "f2c.h"
+
+#ifdef KR_headers
+extern void s_copy ();
+extern integer G77_fnum_0 ();
+/* Character */ void G77_ttynam_0 (ret_val, ret_val_len, lunit)
+     char *ret_val; ftnlen ret_val_len; integer *lunit
+#else
+extern integer G77_fnum_0 (integer *lunit);
+extern void s_copy(register char *a, register char *b, ftnlen la, ftnlen lb);
+/* Character */ void G77_ttynam_0 (char *ret_val, ftnlen ret_val_len, integer *lunit)
+#endif
+{
+#if defined (HAVE_TTYNAME)
+  size_t i;
+  char *p;
+
+  p = ttyname (G77_fnum_0 (lunit));
+  if (p != NULL) {
+    i = strlen (p);
+    s_copy (ret_val, p, ret_val_len, i);
+  } else {
+    s_copy (ret_val, " ", ret_val_len, 1);
+  }
+#else
+  errno = ENOSYS;
+  return -1;
+#endif
+}