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 1¡¢ÓзûºÅ±äÁ¿ÓëÎÞ·ûºÅ±äÁ¿ÖµµÄ±ä»»
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  //ʹÓÃÁÙʱ±äÁ¿
   void Swap1(int &a, int &b)
  {
      int temp = a;
      a = b;
      b = temp;
  }
  //ʹÓÃËãÊõÔËË㣬Ò×·¢ÉúÊý¾ÝµÄÒç³ö
  void Swap2(int &a, int &b)
  {
     a = a + b;
     b = a - b;
     a = a - b;
   }
  //ʹÓÃλÔËËã·û
  void Swap3(int &a, int &b)
 {
    a ^= b;
    b ^= a;
    a ^= b;
 }
3¡¢¹ØÓÚÍ·ÎļþµÄ½á¹¹µÄÀí½â
1   #ifndef _INCvxWorksh
2   #define _INCvxWorksh
3   #ifdef _Cplusplus
4   extern "C" {
5   #endif 
6  
7   #ifdef _cplusplus
8   }
9   #endif
10  #endif
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extern “C”°üº¬Ë«Öغ¬Ò壺
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#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <time.h>
#include <sys/types.h>
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int *p;
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