usr/src/lib/libast/i386/include/ast/sfio_s.h

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                  David Korn <dgk@research.att.com>                   *
  19 *                   Phong Vo <kpv@research.att.com>                    *
  20 *                                                                      *
  21 ***********************************************************************/
  22 #ifndef _SFIO_S_H
  23 #define _SFIO_S_H       1
  24
  25 /*
  26  * sfio file structure used by sfio and the stdio source compatibility library
  27  */
  28
  29 #if !defined(_SFHDR_H) && defined(_SFIO_H) && SFIO_VERSION < 20020214L
  30 #define _data           data
  31 #define _endb           endb
  32 #define _next           next
  33 #endif
  34
  35 struct _sfio_s
  36 {       unsigned char*  _next;  /* next position to read/write from     */
  37         unsigned char*  _endw;  /* end of write buffer                  */
  38         unsigned char*  _endr;  /* end of read buffer                   */
  39         unsigned char*  _endb;  /* end of buffer                        */
  40         struct _sfio_s* _push;  /* the stream that was pushed on        */
  41         unsigned short  _flags; /* type of stream                       */
  42         short           _file;  /* file descriptor                      */
  43         unsigned char*  _data;  /* base of data buffer                  */
  44         ssize_t         _size;  /* buffer size                          */
  45         ssize_t         _val;   /* values or string lengths             */
  46 #ifdef _SFIO_PRIVATE
  47         _SFIO_PRIVATE
  48 #endif
  49 };
  50
  51 #endif