例5-1源程序Enter radius and height: 3.0 10Volume = 282.743/*定义求圆柱体积的函数*/double cylinder (double r,doubleh)double result;/*计算体积*/result=3.1415926*r*r*h;[* 返回结果*/return result;例5-1源程序 /* 定义求圆柱体积的函数 */ double cylinder (double r, double h) { double result; result =3.1415926 * r * r * h; /* 计算体积 */ return result; /* 返回结果 */ } Enter radius and height: 3.0 10 Volume = 282.743