/*---------------------------------------------------------------------------*/
/* Distributed by VXIplug&play Systems Alliance                              */
/*                                                                           */
/* Do not modify the contents of this file.                                  */
/*---------------------------------------------------------------------------*/
/*                                                                           */
/* Title   : VISATYPE.H                                                      */
/* Date    : 08-01-98                                                        */
/* Purpose : Fundamental VISA data types and macro definitions               */
/*                                                                           */
/*---------------------------------------------------------------------------*/

#ifndef __VISATYPE_HEADER__
#define __VISATYPE_HEADER__

#if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)) && !defined(_NI_mswin16_)
#define _VI_FAR
#define _VI_FUNC            __stdcall
#define _VI_FUNCC           __cdecl
#define _VI_FUNCH           __stdcall
#define _VI_SIGNED          signed
#elif defined(_CVI_) && defined(_NI_i386_)
#define _VI_FAR
#define _VI_FUNC            _pascal
#define _VI_FUNCC
#define _VI_FUNCH           _pascal
#define _VI_SIGNED          signed
#elif (defined(_WINDOWS) || defined(_Windows)) && !defined(_NI_mswin16_)
#define _VI_FAR             _far
#define _VI_FUNC            _far _pascal _export
#define _VI_FUNCC           _far _cdecl  _export
#define _VI_FUNCH           _far _pascal
#define _VI_SIGNED          signed
#elif (defined(hpux) || defined(__hpux)) && (defined(__cplusplus) || defined(__cplusplus__))
#define _VI_FAR
#define _VI_FUNC
#define _VI_FUNCC
#define _VI_FUNCH
#define _VI_SIGNED
#else
#define _VI_FAR
#define _VI_FUNC
#define _VI_FUNCC
#define _VI_FUNCH
#define _VI_SIGNED          signed
#endif

#define _VI_ERROR           (-2147483647L-1)  /* 0x80000000 */
#define _VI_PTR             _VI_FAR *

/*- VISA Types --------------------------------------------------------------*/

typedef unsigned long       ViUInt32;
typedef ViUInt32    _VI_PTR ViPUInt32;
typedef ViUInt32    _VI_PTR ViAUInt32;

typedef _VI_SIGNED long     ViInt32;
typedef ViInt32     _VI_PTR ViPInt32;
typedef ViInt32     _VI_PTR ViAInt32;

typedef unsigned short      ViUInt16;
typedef ViUInt16    _VI_PTR ViPUInt16;
typedef ViUInt16    _VI_PTR ViAUInt16;

typedef _VI_SIGNED short    ViInt16;
typedef ViInt16     _VI_PTR ViPInt16;
typedef ViInt16     _VI_PTR ViAInt16;

typedef unsigned char       ViUInt8;
typedef ViUInt8     _VI_PTR ViPUInt8;
typedef ViUInt8     _VI_PTR ViAUInt8;

typedef _VI_SIGNED char     ViInt8;
typedef ViInt8      _VI_PTR ViPInt8;
typedef ViInt8      _VI_PTR ViAInt8;

typedef char                ViChar;
typedef ViChar      _VI_PTR ViPChar;
typedef ViChar      _VI_PTR ViAChar;

typedef unsigned char       ViByte;
typedef ViByte      _VI_PTR ViPByte;
typedef ViByte      _VI_PTR ViAByte;

typedef void        _VI_PTR ViAddr;
typedef ViAddr      _VI_PTR ViPAddr;
typedef ViAddr      _VI_PTR ViAAddr;

typedef float               ViReal32;
typedef ViReal32    _VI_PTR ViPReal32;
typedef ViReal32    _VI_PTR ViAReal32;

typedef double              ViReal64;
typedef ViReal64    _VI_PTR ViPReal64;
typedef ViReal64    _VI_PTR ViAReal64;

typedef ViPByte             ViBuf;
typedef ViPByte             ViPBuf;
typedef ViPByte     _VI_PTR ViABuf;

typedef ViPChar             ViString;
typedef ViPChar             ViPString;
typedef ViPChar     _VI_PTR ViAString;

typedef ViString            ViRsrc;
typedef ViString            ViPRsrc;
typedef ViString    _VI_PTR ViARsrc;

typedef ViUInt16            ViBoolean;
typedef ViBoolean   _VI_PTR ViPBoolean;
typedef ViBoolean   _VI_PTR ViABoolean;

typedef ViInt32             ViStatus;
typedef ViStatus    _VI_PTR ViPStatus;
typedef ViStatus    _VI_PTR ViAStatus;

typedef ViUInt32            ViVersion;
typedef ViVersion   _VI_PTR ViPVersion;
typedef ViVersion   _VI_PTR ViAVersion;

typedef ViUInt32            ViObject;
typedef ViObject    _VI_PTR ViPObject;
typedef ViObject    _VI_PTR ViAObject;

typedef ViObject            ViSession;
typedef ViSession   _VI_PTR ViPSession;
typedef ViSession   _VI_PTR ViASession;

typedef ViUInt32             ViAttr;

#ifndef _VI_CONST_STRING_DEFINED
typedef const ViChar * ViConstString;
#define _VI_CONST_STRING_DEFINED
#endif  

/*- Completion and Error Codes ----------------------------------------------*/

#define VI_SUCCESS          (0L)

/*- Other VISA Definitions --------------------------------------------------*/

#define VI_NULL             (0)

#define VI_TRUE             (1)
#define VI_FALSE            (0)

/*- Backward Compatibility Macros -------------------------------------------*/

#define VISAFN              _VI_FUNC
#define ViPtr               _VI_PTR

#endif

/*- The End -----------------------------------------------------------------*/