C语言实现文件的读写复制(书本改进源码版)

#include <stdio.h>

#include <stdlib.h>

/**

*适用一切文件大小的备份(复制)程序

*@author mohui

*@date 2015/04/10

*/

void main()

{     FILE *sourceFile;

    FILE *backupFile;

    char source[20],backup[20],ch;

    printf("Please enter the name of the source file:\n");

    scanf("%s",source);

    printf("\n");

    printf("Please enter a name for the backup file:\n");

    scanf("%s",backup);

    printf("\n");

    if((sourceFile=fopen(source,"r"))==NULL)

    {        

　　　　printf("$ Error report : Failed to open the source file!!\n");

　　      exit(0);

    }  

       if((backupFile=fopen(backup,"w"))==NULL)   

  　　{

        printf("$ Error report : Create a new file failed!!\n");

        exit(0);

　　     }

    do{

        ch=fgetc(sourceFile);

        fputc(ch,backupFile);

        //fputc(ch,stdout); //这行代码用于在运行窗口预览读取的文本内容,为了不必要的增加显示界面占用,不建议写入

　　    }while (!feof(sourceFile));

    fclose(sourceFile);

    fclose(backupFile);

    printf("\n\n.........Backup successfully........\n\n");

}

C语言实现文件的读写复制(书本改进源码版)

原文：http://www.cnblogs.com/360-782/p/4415863.html