main.cpp

this a good book.

#include<iostream>
#include<fstream>

/********found*********/
using std;

void WriteFile(char* str)
{
	ofstream out1;
	/********found*********/
	out1.open("out.txt", binary|app);

	for(int i=0; str[i] != 0; i++)
	{
		/********found*********/
		out1.puts( str[i]);
	}
	
    out1.close();
}



void ClearFile()
{
	ofstream out1;
	out1.open("out.txt");
    out1.close();
}

int main()
{
	char str[1024];

	ClearFile();
	cout<<"please input a string: "<<endl;
	cin.getline(str,1024);
	WriteFile(str);
	return 0;
}