复制.cpp

主要完成对文档的复制功能

#include<stdio.h>
void main()
{
	FILE*in,*out;
 char infile[100],outfile[100];
 
 printf("Enter the infile name:\n");
 
 scanf("%s",infile);
 printf("Enter the outfile name:\n");
 scanf("%s",outfile);
 
 if((in=fopen(infile,"r"))==NULL)
 {
	printf("cannot open infile\n");
	 
    return;	 
 }

 if((out=fopen(outfile,"w"))==NULL)
 {
	printf("cannot open outfile\n");
	return;		 
 }

 while(!feof(in))
	 fputc(fgetc(in),out);
 fclose(in);
 fclose(out);
}