结构体强制转换为联合体笔记
测试代码1
int main()
{
//首先创建一个联合体,联合体内有两个结构体
typedef union
{
struct
{
unsigned int i_ia = 0;
char buffer[32] = "a";
} va_4byte;
struct
{
unsigned int i_ib = 2;
char bufferb[32] = "b"</