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结构体SYSCONFIG_REG的元素为联合体，编译时出现错误，如下图所示；将该联合体注释掉，即SYSCONFIG_REG中没有元素时，不再出现问题。该如何解决？
直接在结构体里定义union试试。
struct SYSCONFIG_REG
{
union GPMUX0_REG{
Uint32 all;
struct GPMUX0_BITS bit;};
};
感谢Shine Zhang的回答！
