main.cpp

this a good book.

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

void  fun(char data)
{
}
void main()
{
	char c;
	do {
		cout<<"please input a char: "<<endl;
		cin>>c;
		if( c== 'q')
			break;
		fun(c);
	} while(1);
	return;
}