* Makefile.in: Add dependencies for remote-fileio.o.

* remote-fileio.c: New file implementing the remote File-I/O protocol.
	* remote-fileio.h: New header file defining remote File-I/O interface.
	* remote.c (remote_write_bytes, remote_read_bytes): Remove
	static storage class.
	(remote_wait, remote_async_wait): Call remote_fileio_request() on
	'F' packet.
	(_initialize_remote): Call initialize_remote_fileio().
	* remote.h: Declare remote_write_bytes() and remote_read_bytes().

	* Makefile.in (REMOTE_OBS): Add remote-fileio.o
	(SFILES): Add remote-fileio.c.
	Add dependencies for building remote-fileio.o.  Add remote-fileio.h to
	dependencies for building remote.o.
	* defs.h: Declare gdb_stdin, gdb_stdtargerr and gdb_stdtargin.
	* main.c: New ui_file gdb_stdin, gdb_stdtargerr and gdb_stdtargin.
	(captured_main): Initialize new ui_files.
	* ui-file.c: Add read and fgets input functions.
	(ui_file_new): set ui_file_fputs and ui_file_read to null functions.
	(null_file_read): New function.
	(ui_file_read): New function.
	(set_ui_file_read): New function.
	(stdio_file_read): New function.
	* ui-file.h: New type ui_file_read_ftype.
	(set_ui_file_read): Declare.
	(ui_file_read): Declare.

gdb/remote-fileio.h

@@ -0,0 +1,36 @@
+/* Remote File-I/O communications
+
+   Copyright 2003 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   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 of the License, 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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* See the GDB User Guide for details of the GDB remote protocol. */
+
+#ifndef FILEIO_H
+#define FILEIO_H
+
+/* Unified interface to remote fileio, called in remote.c from
+   remote_wait () and remote_async_wait () */
+extern void remote_fileio_request (char *buf);
+
+/* Called from _initialize_remote () */
+extern void initialize_remote_fileio (
+  struct cmd_list_element *remote_set_cmdlist,
+  struct cmd_list_element *remote_show_cmdlist);
+
+#endif