摘要： #include<stdio.h>#define container_of(ptr, type, member) ({ / const typeof( ((type *)0)->member ) *__mptr = (ptr); / (type *)( (char *)__mptr - offsetof(type,member) );})#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)/*ptr是指向结构体成员的指针type是结构体的类型，例如struct abcmember是成员的变量 阅读全文