#include <iostream>

int main()
{
	const char* strings[] = { "", "", "non-empty string" };

	{
		int i = 0 ;
		for ( ;*strings[i]; ++i )
			;
			
		std::cout << "After for i = " << i << '\n' ;
	}
	
	{
		int i=0;
		do
		{
			++i ;
		} while ( *strings[i] ) ;
		
		std::cout << "After do-while i = " << i << '\n' ;
	}
}