new file mode 100644
--- /dev/null
+++ b/info/termdep.h
@@ -0,0 +1,64 @@
+/* termdep.h -- System things that terminal.c depends on. */
+
+/* This file is part of GNU Info, a program for reading online documentation
+   stored in Info format.
+
+   Copyright (C) 1993 Free Software Foundation, Inc.
+
+   This program 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.
+
+   This program 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 this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+   Written by Brian Fox (bfox@ai.mit.edu). */
+
+#if defined (HAVE_SYS_FCNTL_H)
+#include <sys/fcntl.h>
+#else
+#include <fcntl.h>
+#endif /* !HAVE_SYS_FCNTL_H */
+
+#if defined (HAVE_TERMIO_H)
+#include <termio.h>
+#include <string.h>
+#if defined (HAVE_SYS_PTEM_H)
+#if !defined (M_XENIX)
+#include <sys/stream.h>
+#include <sys/ptem.h>
+#undef TIOCGETC
+#else /* M_XENIX */
+#define tchars tc
+#endif /* M_XENIX */
+#endif /* HAVE_SYS_PTEM_H */
+#else /* !HAVE_TERMIO_H */
+#include <sys/file.h>
+#include <sgtty.h>
+#include <strings.h>
+#endif /* !HAVE_TERMIO_H */
+
+#if defined (HAVE_SYS_TTOLD_H)
+#include <sys/ttold.h>
+#endif /* HAVE_SYS_TTOLD_H */
+
+#if !defined (HAVE_RINDEX)
+#undef index
+#undef rindex
+#define index strchr
+#define rindex strrchr
+#endif
+
+#if !defined (HAVE_BCOPY)
+#undef bcopy
+#define bcopy(source, dest, count) memcpy(dest, source, count)
+#endif
+
+/* eof */