Sweden-Number/callback.h

30 lines
635 B
C

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