【单选题】对于如下结构体定义struct student{int id;char name[32];struct { unsigned int year; unsigned int month; unsigned int day;} birthday;}s1={100,"zhao",{1999,10,1}};如下说法正确的是
【单选题】对于如下结构体定义struct student{int id;char name[32];struct { unsigned int y; unsigned int m; unsigned int d;} birthday;}s1={100,"zhao",{1999,10,1}};如下说法正确的是