C++ Primer plus--0a5 自定义带返回值的函数

#pragma region convert.cpp
//convert.cpp -- converts stone to pounds
#if 0
#include <iostream>
 
int stonetolb(int);	//function prototype 
int main(void)
{
	using namespace std;

	int stone;
	cout << "Enter the weight in stone: ";
	cin >> stone;

	int pounds = stonetolb(stone);
	cout << stone << " stone = ";
	cout << pounds << " pounds," << endl;
	return 0;
}

int stonetolb(int sts)
{

	return 14 * sts;
}
#endif
#pragma endregion