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我想建立一个链表，但我一开始就被卡住了 - 我是一个完整的初学者。我如何定义结构？C链表“结构的重新定义”
下面是错误消息我得到：
8 8 C:\Users\user\Desktop\list_funcs.c [Error] redefinition of 'struct data_node' 4 0 C:\Users\user\Desktop\list_funcs.c In file included from list_funcs.c 3 8 C:\Users\user\Desktop\list_funcs.h [Note] originally defined here 28 C:\Users\user\Desktop\Makefile.win recipe for target 'list_funcs.o' failed
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "list_funcs.h"
struct data_node {
char name [25];
int data;
struct data_node *next;
};
这里是头文件包含
#define STRINGMAX 25
struct data_node {
char name [STRINGMAX];
int data;
struct data_node *next;
};
struct data_node * insert (struct data_node **, int, char *);