A.enum a {"sum","mon","tue"}; B.enum a={sum,mon,tue}; C.enum a={"sum","mon","tue"}; D.enum a {sum=9,mon=-1,tue};
A.a的地址 B.511 C.512 D.無確定值
A.printf("%d",*p[5]); B.printf("%d",p[5]); C.printf("%d",*(p+5)); D.printf("%d",*(a+5));