wincc中的字符串的拼接

#include "apdefap.h"
void OnLButtonDown(char* lpszPictureName, char* lpszObjectName, char* lpszPropertyName, UINT nFlags, int x, int y)
{
#pragma option(mbcs)   #define DATA_SIZE 20
  BYTE byData[DATA_SIZE];
  int  i,retv;
  char destination[25];
  char *blank = "ss";    
  char *Istr = "1", *NewTag ="NewTag_";
  retv=GetTagRaw("YSSJ1",byData,DATA_SIZE);
  SetTagSWord("RetV",(short)retv); //Return-Type: BOOLi=1;
do
{
  sprintf(destination,"NewTag_%d",i);
  SetTagChar("s1",destination); //Return-Type: BOOL
  SetTagByte(destination,byData[i]); //Return-Type: BOOL   printf("%s",destination);

i=i+1;
}while(i<6);

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字符串中若，在变量中添加个 "a1="\"";