my_test01.c

#include <stdio.h>

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

void display(island *start){

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

int main(){

    island amity       = {"Amity", "09:00", "17:00", NULL};
    island craggy      = {"Craggy", "09:00", "17:00", NULL};
    island isla_nublar = {"Isla Nublar", "09:00", "17:00", NULL};
    island shutter     = {"Shutter", "09:00", "17:00", NULL};

    amity.next = &craggy;
    craggy.next = &isla_nublar;
    isla_nublar.next = &shutter;

    island skull = {"Skull", "09:00", "17:00", NULL};
    isla_nublar.next = &skull;
    skull.next = &shutter;
    display(&amity);

    return 0;

}