new file mode 100644
--- /dev/null
+++ b/packages/io/common/current/include/file.h
@@ -0,0 +1,112 @@
+//==========================================================================
+//
+//      io/common/include/file.h
+//
+//      Defines for high level file I/O
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#ifndef _CYG_IO_FILE_H_
+#define _CYG_IO_FILE_H_
+
+// High-level file I/O interfaces
+// Derived [in part] from OpenBSD <sys/file.h>, <sys/uio.h>, <sys/fcntl.h>
+
+#include <pkgconf/io.h>
+#include <cyg/infra/cyg_type.h>
+
+#define NFILE CYGPKG_IO_NFILE
+
+struct iovec {
+    void           *iov_base;   /* Base address. */
+    CYG_ADDRWORD   iov_len;     /* Length. */
+};
+
+enum	uio_rw { UIO_READ, UIO_WRITE };
+
+/* Segment flag values. */
+enum uio_seg {
+    UIO_USERSPACE,		/* from user data space */
+    UIO_SYSSPACE		/* from system space */
+};
+
+struct uio {
+    struct	iovec *uio_iov;	/* pointer to array of iovecs */
+    int	uio_iovcnt;	/* number of iovecs in array */
+    CYG_ADDRWORD	uio_offset;	/* offset into file this uio corresponds to */
+    CYG_ADDRWORD	uio_resid;	/* residual i/o count */
+    enum	uio_seg uio_segflg; /* see above */
+    enum	uio_rw uio_rw;	/* see above */
+};
+
+/*
+ * Limits
+ */
+#define UIO_SMALLIOV	8		/* 8 on stack, else malloc */
+
+// Description of open file
+struct file {
+    short	f_flag;		/* file state */
+    short	f_type;		/* descriptor type */
+    struct	fileops {
+        int	(*fo_read)(struct file *fp, struct uio *uio);
+        int	(*fo_write)(struct file *fp, struct uio *uio);
+        int	(*fo_ioctl)(struct file *fp, CYG_ADDRWORD com,
+                            CYG_ADDRWORD data);
+        int	(*fo_select)(struct file *fp, int which);
+        int	(*fo_close)(struct file *fp);
+    } *f_ops;
+    CYG_ADDRWORD	f_offset;
+    CYG_ADDRWORD	f_data;		/* vnode or socket */
+};
+
+// File states
+#define FREAD      0x01
+#define FWRITE     0x02
+#define FALLOC     0x80         // File is "busy", i.e. allocated
+
+// Type of "file"
+#define	DTYPE_VNODE	1	/* file */
+#define	DTYPE_SOCKET	2	/* communications endpoint */
+#define	DTYPE_PIPE	3	/* pipe */
+
+externC cyg_bool getfp(int fdes, struct file **fp);
+
+#endif // _CYG_IO_FILE_H_