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Diffstat (limited to 'sysdeps/posix/isatty.c')
-rw-r--r--sysdeps/posix/isatty.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/sysdeps/posix/isatty.c b/sysdeps/posix/isatty.c
index 7536b1eeed..2dcae18f5b 100644
--- a/sysdeps/posix/isatty.c
+++ b/sysdeps/posix/isatty.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,22 +16,22 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <unistd.h>
 #include <termios.h>
 
 /* Return 1 if FD is a terminal, 0 if not.  */
 int
-DEFUN(__isatty, (fd), int fd)
+__isatty (fd)
+     int fd;
 {
   int save;
   int is_tty;
   struct termios term;
 
   save = errno;
-  is_tty = __tcgetattr(fd, &term) == 0;
-  errno = save;
+  is_tty = __tcgetattr (fd, &term) == 0;
+  __set_errno (save);
 
   return is_tty;
 }