--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/s/aix3-1.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,147 @@
+/* Definitions file for GNU Emacs running on IBM AIX version 3.1
+   Copyright (C) 1985, 1986, 1990 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Emacs 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: FSF 19.31. */
+
+/*
+ *	Define symbols to identify the version of Unix this is.
+ *	Define all the symbols that apply correctly.
+ */
+
+#define USG				/* System III, System V, etc */
+#define USG5
+
+/*      Specify IBM AIX version of system */
+
+#ifndef AIX
+#define AIX
+#endif
+
+/*      turn off c prototypes */
+/* XEmacs change: XEmacs compiles fine with prototypes under AIX, dkeller@vnet.ibm.com
+#ifndef _NO_PROTO
+#define _NO_PROTO
+#endif
+*/
+
+/*      This symbol should be defined on AIX Version 3  ??????? */
+#ifndef _AIX
+#define _AIX
+#endif
+
+/*      Specify "_BSD" to invoke Berkeley compatibility in header files */
+/*#ifndef _BSD
+#define _BSD
+#endif
+*/
+
+/* SYSTEM_TYPE should indicate the kind of system you are using.
+ It sets the Lisp variable system-type.  */
+
+#define SYSTEM_TYPE "aix"
+
+/* In AIX, you allocate a pty by opening /dev/ptc to get the master side.
+   To get the name of the slave side, you just ttyname() the master side.  */
+
+#define PTY_ITERATION for (c = 0; !c ; c++)
+#define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptc");
+#define PTY_TTY_NAME_SPRINTF strcpy (pty_name, ttyname (fd));
+
+/* XEmacs change: #### is this crap necessary? */
+#ifndef NOT_C_CODE
+#include <termios.h>
+#endif
+
+/*
+ *	Define HAVE_PTYS if the system supports pty devices.
+ */
+
+#define HAVE_PTYS
+
+/* If your system uses COFF (Common Object File Format) then define the
+   preprocessor symbol "COFF". */
+
+/* #define COFF */
+
+/* define MAIL_USE_FLOCK if the mailer uses flock
+   to interlock access to /usr/spool/mail/$USER.
+   The alternative is that a lock file named
+   /usr/spool/mail/$USER.lock.  */
+
+/* #define MAIL_USE_FLOCK */
+
+/* Define SHORTNAMES if the C compiler can distinguish only
+   short names.  It means that the stuff in ../shortnames
+   must be run to convert the long names to short ones.  */
+
+/* #define SHORTNAMES */
+
+/* The file containing the kernel's symbol table is called /unix.  */
+
+#define KERNEL_FILE "/unix"
+
+/* The symbol in the kernel where the load average is found
+   is named avenrun.  */
+
+#define LDAV_SYMBOL "avenrun"
+
+/* Special itemss needed to make Emacs run on this system.  */
+
+/* On USG systems the system calls are interruptible by signals
+ that the user program has elected to catch.  Thus the system call
+ must be retried in these cases.  To handle this without massive
+ changes in the source code, we remap the standard system call names
+ to names for our own functions in sysdep.c that do the system call
+ with retries. */
+
+#define INTERRUPTIBLE_OPEN
+#define INTERRUPTIBLE_IO
+
+/* Compiler bug bites on many systems when default ADDR_CORRECT is used.  */
+
+/* #define ADDR_CORRECT(x) (x) */
+
+#ifndef __GNUC__
+#define LINKER cc
+#endif
+
+/* Prevent -lg from being used for debugging.  Not needed.  */
+
+#define LIBS_DEBUG
+
+/* No need to specify -lc when linking.  */
+
+#define LIB_STANDARD
+
+/* Use terminfo instead of termcap.  */
+
+#define TERMINFO
+
+/* The following definition seems to be needed in AIX version 3.1.6.8.
+   It may not have been needed in certain earlier versions.  */
+#define HAVE_TCATTR
+
+#define SYSTEM_MALLOC
+
+/* AIX doesn't define this.  */
+#define unix 1
+
+/* AIX 3.1 has the HFT features.  */
+#define AIXHFT