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TCXLFAR.H
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1990-10-01
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2KB
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53 lines
/*=====[ The TesSeRact(TM) CXL User Interface Development System ]======*
| Copyright (c) 1987-1990, Innovative Data Concepts. All Rights Reserved
|
| This Library is part of IDC's TesSeRact Development Tools product
| line. For information about other IDC products, call 1-215-884-3373.
*----------------------------------------------------------------------*
| <TCXLfar.h> : Definitions and prototypes for handling explicit, typed
| far-pointers as used internally in TCXL 5.5.
*-------------------------------[ NOTES ]------------------------------*
| 1) The _XxxFar() aliases take full far pointers and the _FarXxx()
| functions take separate segments and offsets.
| 2) The MK_FP() and MK_FPT() macros will override system definitions
| and provide compiler-independence.
| 3) MK_FPT() is *very* useful in C++, where void pointers are not
| usually allowed without bizarre casts.
*----------------------------------------------------------------------*
| PGS : $Id: tcxlfar.h 5.51 90/10/01 00:00:00 MLM Release Locker: MLM $
| $Log: tcxlfar.h $
| Revision 5.51 90/10/01 00:00:00 MLM
| TCXL 5.51
|
*======================================================================*/
#ifndef _TCXLfar_
# define _TCXLfar_ 1 /* only once! */
# ifndef _TCXLdef_
# include <TCXLdef.h> /* standards */
# endif
#ifdef MK_FP /* use local definitions */
# undef MK_FP
#endif /* anonymous far-pointer */
#define MK_FP(s,o) ((AnyFP) (((DwdT)(s) << 16) | (WrdT)(o)))
#ifdef MK_FPT
# undef MK_FPT
#endif /* typed far-pointer */
#define MK_FPT(t,s,o) ((t FAR *) (((DwdT)(s) << 16) | (WrdT)(o)))
/*------------------------[ Function prototypes ]----------------------*/
#ifdef __cplusplus /* no mangling, please */
extern "C" {
#endif
VOID PAS _FarCpy(WrdT st, WrdT ot, WrdT sf, WrdT of, WrdT n);
VOID PAS _CpyFar(BytFP t, BytFP f, WrdT n); /* alias */
VOID PAS _FarGet(BytP p, WrdT s, WrdT o, WrdT n);
VOID PAS _GetFar(BytP t, BytFP f, WrdT n); /* alias */
VOID PAS _FarPut(WrdT s, WrdT o, BytP p, WrdT n);
VOID PAS _PutFar(BytFP t, BytP f, WrdT n); /* alias */
#ifdef __cplusplus
}
#endif
#endif /* _TCXLfar_ -- End of TCXLfar.h */