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Pipe is a worm hole connecting C and C++

In C programming language, the observer design pattern is implemented with function pointer (aka callback function). But in Qt library, it introduces signal and slot. How to link a callback function from the C callback function to the C++ siganl and slot is a problem I encounter. Call back function ......

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2009-09-13     16:42:43  
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stack.h:
#ifndef _STACK_H_
#define _STACK_H_
#include <stdio.h>
#include <stdlib.h>
#include <memory.h>
#define STACK_INIT_SIZE 5
#define STACKINCREMENT 5
t ......
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