30 lines
635 B
C
30 lines
635 B
C
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/* $Id$
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*/
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/*
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* Copyright Robert J. Amstadt, 1993
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*/
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#ifndef CALLBACK_H
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#define CALLBACK_H
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#include <stdlib.h>
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#include <stdarg.h>
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#define CALLBACK_SIZE_WORD 0
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#define CALLBACK_SIZE_LONG 1
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extern int CallTo16(unsigned int csip, unsigned short ds);
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extern int CallBack16(void *func, int n_args, ...);
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/*
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* Windows procedure calling:
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* f(a, b, c, d)
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* wndprocfunc(HWND hwnd, WORD message, WORD wParam, LONG lParam)
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*/
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#define CALLWNDPROC(f, a, b, c, d) \
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CallBack16((f), 4, CALLBACK_SIZE_WORD, (a), CALLBACK_SIZE_WORD, (b), \
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CALLBACK_SIZE_WORD, (c), CALLBACK_SIZE_LONG, (d))
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#endif /* CALLBACK_H */
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