C语言结构体共用体选择题(新)(共4页).doc

1、变量a所占的内存字节数是_。（假设整型int为4字节） struct stu char name20; long int n; int score4; a ;A) 28 B) 30C) 32 D) 46C2、下列程序的输出结果是 A)5 B)6 C)7 D)8 struct abc int a,b,c; main() struct abc s2=1,2,3,4,5,6;int t; t=s0.a+s1.b; printf(%dn,t); B3、有如下定义 struct person char name9; int age; struct person calss4= Johu,17, Paul,