结构体中的链表初始化方法

#include <stdio.h>
struct list_head {
struct list_head *next, *prev;
};

struct teacher_list{
    struct list_head sport;
    struct list_head english;
    struct list_head maths;
};

struct stu {
    struct teacher_list teachers_1;
    struct teacher_list teachers_2;
};

#define LIST_HEAD_INIT(name) { &(name), &(name) }

#define TEACHERS_LIST_INIT(parent) \
{ \
    .sport = LIST_HEAD_INIT(parent.sport), \
    .english = LIST_HEAD_INIT(parent.english), \
    .maths = LIST_HEAD_INIT(parent.maths) \
}

int main()
{
    struct stu xiaoming = {
        .teachers_1 = {
            .sport = {&xiaoming.teachers_1.sport, &xiaoming.teachers_1.sport},
            .english = {&xiaoming.teachers_1.english, &xiaoming.teachers_1.english},
            .maths = {&xiaoming.teachers_1.maths, &xiaoming.teachers_1.maths}
        },
        .teachers_2 = TEACHERS_LIST_INIT(xiaoming.teachers_2)
    };

原文地址：https://blog.csdn.net/zhu_superman/article/details/143695295

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