#include<iostream>
 
using namespace std;
 
 void main(void)
 {
 //保存輸入圖像文件名和輸出圖像文件名
 char InImgName[10];
 char OutImgName[10];
 //圖像數(shù)據(jù)長度
 int length;
 //文件指針
 FILE* fp;
 //輸入要讀取的圖像名
 cout<<"Enter Image name:";
 cin>>InImgName;
 //以二進(jìn)制方式打開圖像
 if ( (fp=fopen(InImgName, "rb" ))==NULL )
 {
  cout<<"Open image failed!"<<endl;
  exit(0);
 }
 //獲取圖像數(shù)據(jù)總長度
 fseek(fp, 0, SEEK_END);
 length=ftell(fp);
 rewind(fp);
 //根據(jù)圖像數(shù)據(jù)長度分配內(nèi)存buffer
 char* ImgBuffer=(char*)malloc( length* sizeof(char) );
 //將圖像數(shù)據(jù)讀入buffer
 fread(ImgBuffer, length, 1, fp);
 fclose(fp);
 //輸入要保存的文件名
 cout<<"Enter the name you wanna to save:";
 cin>>OutImgName;
 //以二進(jìn)制寫入方式
 if ( (fp=fopen(OutImgName, "wb"))==NULL)
 {
  cout<<"Open File failed!"<<endl;
  exit(0);
 }
 //從buffer中寫數(shù)據(jù)到fp指向的文件中
 fwrite(ImgBuffer, length, 1, fp);
 cout<<"Done!"<<endl;
 //關(guān)閉文件指針，釋放buffer內(nèi)存
 fclose(fp);
 free(ImgBuffer);
 }