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#ifndef COMDEF_H
#define COMDEF_H
//Í·ÎļþÄÚÈÝ
#endif
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typedef unsigned char      boolean;     /* Boolean value type. */
typedef unsigned long int uint32;      /* Unsigned 32 bit value */
typedef unsigned short     uint16;      /* Unsigned 16 bit value */
typedef unsigned char      uint8;       /* Unsigned 8 bit value */
typedef signed long int    int32;       /* Signed 32 bit value */
typedef signed short       int16;       /* Signed 16 bit value */
typedef signed char        int8;        /* Signed 8 bit value */
//ÏÂÃæµÄ²»½¨ÒéʹÓÃ
typedef unsigned char     byte;         /* Unsigned 8 bit value type. */
typedef unsigned short    word;         /* Unsinged 16 bit value type. */
typedef unsigned long     dword;        /* Unsigned 32 bit value type. */
typedef unsigned char     uint1;        /* Unsigned 8 bit value type. */
typedef unsigned short    uint2;        /* Unsigned 16 bit value type. */
typedef unsigned long     uint4;        /* Unsigned 32 bit value type. */
typedef signed char       int1;         /* Signed 8 bit val


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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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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
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ANSI C——printf

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#include<stdio.h>
int main ( int argc, char *argv[] )
{
printf("hello world!!\n");
return 0;
}
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