打包解包

#include <vector>
#include <iostream>
#include "compacket.h"
using namespace std;

char szBuf[4096];
const int INT = 4;
const int STRING = 100;
void EncodeMsg(char *pPos)
{
 int  tmp = 80000;
 memcpy((void *) pPos, (void *) &tmp, INT);
 pPos+=INT;
 char Role[] = "艾迪";
 memcpy((void *) pPos, (void *) &Role, STRING);
 pPos+=STRING;
 char strName[] = "aidigame";
 memcpy((void *) pPos, (void *) &strName, STRING);
 pPos += STRING;
}
void DecodeMsg(char *pPos)
{
 int ItemTotal = 0;
 memcpy((void *) &ItemTotal, pPos, INT);
 pPos+=INT;
 char Role[STRING];
 memcpy((void *) &Role, pPos, STRING);
 pPos+=STRING;
 char strName[STRING];
 memcpy((void *) &strName, pPos, STRING);
 pPos+=STRING;
 cout << ItemTotal << endl;
 cout << Role << endl;
 cout << strName << endl;
}
int main()
{
 EncodeMsg(szBuf);
 DecodeMsg(szBuf);
 return 0;
}