/**/
/***************************************************************************/
/**                                                                       **/
/** © Copyright 2010, Hewlett-Packard Development Company, L.P.           **/
/**                                                                       **/
/** Confidential computer software.  Valid license from HP and/or         **/
/** its subsidiaries required for possession, use, or copying.            **/
/**                                                                       **/
/** Consistent with FAR 12.211 and 12.212, Commercial Computer Software,  **/
/** Computer Software Documentation, and Technical Data for Commercial    **/
/** Items are licensed to the U.S. Government under vendor's standard     **/
/** commercial license.                                                   **/
/**                                                                       **/
/** Neither HP nor any of its subsidiaries shall be liable for technical  **/
/** or editorial errors or omissions contained herein.  The information   **/
/** in this document is provided "as is" without warranty of any kind and **/
/** is subject to change without notice.  The warranties for HP products  **/
/** are set forth in the express limited warranty statements accompanying **/
/** such products.  Nothing herein should be construed as constituting an **/
/** additional warranty.                                                  **/
/**                                                                       **/
/***************************************************************************/
/********************************************************************************************************************************/
/* Created: 30-Mar-2010 17:27:11 by OpenVMS SDL EV3-3      */
/* Source:  23-APR-1993 13:59:35 $1$DGA7274:[LIB_H.SRC]DCBDEF.SDL;1 */
/********************************************************************************************************************************/
/*** MODULE $DCBDEF ***/
#ifndef __DCBDEF_LOADED
#define __DCBDEF_LOADED 1
 
#pragma __nostandard			 /* This file uses non-ANSI-Standard features */
#pragma __member_alignment __save
#pragma __nomember_alignment
#ifdef __INITIAL_POINTER_SIZE			 /* Defined whenever ptr size pragmas supported */
#pragma __required_pointer_size __save		 /* Save the previously-defined required ptr size */
#pragma __required_pointer_size __short		 /* And set ptr size default to 32-bit pointers */
#endif
 
#ifdef __cplusplus
    extern "C" {
#define __unknown_params ...
#define __optional_params ...
#else
#define __unknown_params
#define __optional_params ...
#endif
 
#ifndef __struct
#if !defined(__VAXC)
#define __struct struct
#else
#define __struct variant_struct
#endif
#endif
 
#ifndef __union
#if !defined(__VAXC)
#define __union union
#else
#define __union variant_union
#endif
#endif
 
/* +                                                                        */
/*  DCB - Data link layer chained buffer descriptor                         */
/*                                                                          */
/*  This descriptor may be used in one of two ways. The first way is to     */
/*  use this descriptor to describe a direct I/O transfer. The second       */
/*  is to use this descriptor to describe a chain of buffers to transmit    */
/*  or a chain of buffers which have been received.                         */
/*                                                                          */
/* -                                                                        */
#define DCB$M_TYPE_IO 0x1
#define DCB$K_HEADER 32                 /* DCB size up to this point        */
#define DCB$C_HEADER 32                 /* DCB size up to this point        */
#define DCB$S_DCBDEF 32
	
typedef struct _dcb {
    struct _dcb *dcb$l_flink;           /* Forward link                     */
    struct _dcb *dcb$l_blink;           /* Backward link                    */
    unsigned short int dcb$w_size;      /* Size of block                    */
    unsigned char dcb$b_type;           /* Type of block                    */
    unsigned char dcb$b_mode;           /* Access mode of agent             */
    void *dcb$l_link;                   /* Link to next buffer in chain     */
    __union  {                          /* Describe I/O                     */
        unsigned short int dcb$w_sts;   /* Old word width STS field         */
        __union  {
            unsigned int dcb$l_sts;
            __struct  {
                unsigned dcb$v_type_io : 1; /* If set DIRECT if clear buffered */
                unsigned dcb$v_fill_2_ : 7;
                } dcb$r_fill_1_;
            } dcb$r_fill_0_;
        } dcb$r_sts_overlay;
    void *dcb$l_svapte;                 /* SVAPTE of buffer if not specified */
/* then the buffer is embedded                                              */
/* in this buffer                                                           */
    __union  {
        unsigned short int dcb$w_boff;  /* Offset to start of data. Data    */
        unsigned int dcb$l_boff;        /* link headers must be back built  */
        } dcb$r_boff_overlay;
/* from this offset.                                                        */
    __union  {                          /* For transmits size in bytes of this */
        unsigned short int dcb$w_bcnt;  /* segment of the data. For receives */
        unsigned int dcb$l_bcnt;        /* contains the size of the segment */
        } dcb$r_bcnt_overlay;
/* of data contained in this buffer.                                        */
    } DCB;
 
#if !defined(__VAXC)
#define dcb$w_sts dcb$r_sts_overlay.dcb$w_sts
#define dcb$l_sts dcb$r_sts_overlay.dcb$r_fill_0_.dcb$l_sts
#define dcb$v_type_io dcb$r_sts_overlay.dcb$r_fill_0_.dcb$r_fill_1_.dcb$v_type_io
#define dcb$w_boff dcb$r_boff_overlay.dcb$w_boff
#define dcb$l_boff dcb$r_boff_overlay.dcb$l_boff
#define dcb$w_bcnt dcb$r_bcnt_overlay.dcb$w_bcnt
#define dcb$l_bcnt dcb$r_bcnt_overlay.dcb$l_bcnt
#endif		/* #if !defined(__VAXC) */
 
 
#pragma __member_alignment __restore
#ifdef __INITIAL_POINTER_SIZE			 /* Defined whenever ptr size pragmas supported */
#pragma __required_pointer_size __restore		 /* Restore the previously-defined required ptr size */
#endif
#ifdef __cplusplus
    }
#endif
#pragma __standard
 
#endif /* __DCBDEF_LOADED */