#include<stdio.h>
#include<stdlib.h>

typedef struct island{
    char *name;
    char *opens;
    char *close;
    struct island *next;
}island;

void display(island *start){
    island *i = start;
    for(;i != NULL;i = i->next){
        printf("Name:%sopen:%s - %s\n\n",i->name,i->opens,i->close);   
    }   
}

void release(island *start){  //释放内存
    island *i = start;
    island *next = NULL;
    for(;i != NULL;i = next){
        next = i->next;
        free(i->name);
        free(i);   
    }   
}

island create(char *name){   //创建内存
    island *i = malloc(sizeof(island));
    i->name = strdup(name);
    i->opens = "09:00";
    i->close = "17:00";
    i->next = NULL;
    return i;   
}
int main(){
    island *start = NULL;
    island *i = NULL;
    island *next = NULL;
    char name[80];
    for(;(fgets(name,80,stdin))!= NULL;i = next){
        next = create(name);
        if(start == NULL)
            start = next;
        if(i != NULL)
            i->next = next;   
    }
    display(start);
    release(start);
   
    system("pause");
    return 0;      
}

哦，明白了，因为返回值是指针，所以函数也应该是指针类型。大神教训的是，遇事应该自己先动动脑，不要急于求助，这样才能进步，谢谢啦