C语言 结构体内存对齐

结构体

typedef struct Test
{
 char a1;
 int a2;
 char a3;
 short a4;
}Test_T;

内存排布图如下

参考：

https://blog.csdn.net/zhengnianli/article/details/87390212

https://blog.csdn.net/Scl_Diligent/article/details/80295446