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typedef union _uartII_
{
UINT32 Word;
struct
{
UINT32 IIR_BIT :4;
UINT32 RSV_BIT2 :2;
UINT32 FFE_BIT :2;
UINT32 RSV_BIT24 :24;
}Bits;
}uUARTII, *P_uUARTII;
int main()
{
uUARTII ss={0};//ss是一个结构体
P_uUARTII ps = &ss;//ps是一个指针
return 0;
}
typedef union _uartII_//自定义共用体
{
UINT32 Word;
struct //定义结构体
{
UINT32 IIR_BIT :4;
UINT32 RSV_BIT2 :2;
UINT32 FFE_BIT :2;
UINT32 RSV_BIT24 :24;
}Bits; //结构体类型变量
}uUARTII,*P_uUARTII;//共用体类型变量