main.cpp

this a good book.

#include<iostream.h>
#include<fstream.h>
#include<stdlib.h>

void main()
{
	char ch;
	fstream infile,outfile;
//******1*******
	infile.open("out3.txt");
	if (!infile)
	{
		cout << "out3.txt文件不能打开" << endl;
		abort();
	}
//******2*******
	outfile.open("out4.txt");
	if(!outfile)
	{
		cout << "out4.txt文件不能打开" << endl;
		abort();
	}
//******3*******
	while()
	{
		cout << ch;
//******4*******
		
	}
	cout << endl;
	infile.close();
	outfile.close();
}