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#include "stdlib.h"
#include "stdio.h"
#include "errno.h"
#include "string.h"
#include "netdb.h"
#include "sys/types.h"
#include "sys/stat.h"
#include "fcntl.h"
#include "netinet/in.h"
#include "sys/socket.h"

void client(int ch)
{
        int i;
printf("%d",ch);
        switch(ch)
        {
        /********´«ÊäÎļþ******/
        case 1: _i = flushall();
                send();
                break;
        /********ÁÄÌì*********/
        case 2:
        /*********ȺÁÄ********/
        case 3: break;
        }
}
/********************************************************************************************
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*ΪʲôÌáʾÎÒÁ¬½Ó´íÎó°¢£¿
* undefined reference to `flushall'


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C/C++ code:

char Time="2009-9-23";
FILE *fpOut=fopen("1.txt","w+");
if(fpOut==NULL)
return ;

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  struct hostent *hp; 
char AlarmDevIP[20];  
  int x2;

hp = gethostbyname("www.google.com");
if (hp)
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