结构定义示例 定义一个复数: 定义一个朋友 struct complex struct friend double real, image char name [10] char phone [13] 定义一个地址 Int age struct address struct address addr; char memo [100] char city [20] char street[20] char code: int Zip;定义一个复数： struct complex { double real, image; }; 定义一个地址 struct address { char city[20]; char street[20]; char code; int zip; }; 定义一个朋友 struct friend { char name[10]; char phone[13]; int age; struct address addr; char memo[100]; };