// yyy.cpp : Defines the entry point for the console application.

//

#include "stdafx.h"

#include <stdio.h>

#include<stdlib.h>

#include <string.h>

#include <malloc.h>

#define MAX_MESSAGE_LENGTH 1000

char matchStr1[]="111,aaa,ddd";

 static char * NoPrinttoQuestionMark(char *src)

 {

     char *p = src;

     char dest[MAX_MESSAGE_LENGTH + 1024];

     memset(dest,0,sizeof(dest));

     char *q = dest;

     int dst_len = sizeof (dest);

             while(0 != *p && dst_len > 2)

             {

                 if(*p >0x1F)

                 {

                     *q++ = *p++;

                 } else {

                         *q++ = '?';

                         p++;

                 }

                 dst_len--;

             }

             *q = 0;

  return dest;

 }  

int main(int argc, char* argv[])

{

    char * abc="333 333 aaa aaa ddd 444 aaa 666";

    printf("--原先--\n%s,size=%d\n",abc,strlen(abc)); 

    abc=NoPrinttoQuestionMark(abc);

    printf("--替换完之后--\n%s,size=%d\n",abc,strlen(abc));

    return 0;

}