库函数fopen/fgetc/fputc实现两个文件内容的复制

/*****************************************************
copyright (C), 2014-2015, Lighting Studio. Co.,     Ltd. 
File name：
Author：Jerey_Jobs    Version:0.1    Date: 
Description：
Funcion List: 
*****************************************************/

#include <stdio.h>
#include <stdlib.h>
#include<string.h>

int main()
{
   FILE *from_file,*to_file;
   char ch;

   
	if((from_file = fopen("a.txt","r+")) == NULL)
	{
		printf("from_file open fali!\n");
		exit(1);
	}
	if((to_file = fopen("b.txt","w+")) == NULL)
	{
		printf("to_file open fali!\n");
		exit(1);
	}
    
	while(fgetc(ch,from_file) != EOF)
	{
		fputc(ch,to_file);
	}

	fclose(from_file);
	fclose(to_file);
	printf("\n");
	return 0;
	
}