若在32位机,VC编译器下,有下面的说明和定义,则sizeof(struct aa)的值是______ struct aa { int r1; double r2; float r3; union uu{char u1[5];long u2[2];}ua; }mya;

若在32位机,VC编译器下,有下面的说明和定义,则sizeof(struct aa)的值是______ struct aa { int r1; double r2; float r3; union uu{char u1[5];long u2[2];}ua; }mya;


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