#include<stdio.h>
#include<string.h>
#include<stdlib.h>
  
struct cell{/*条件1*/
        char animal[20];
        struct cell *next;
};
struct cell *listhead;
 
int member(char *,struct cell *);/*条件2*/

int main(){
        char animal[20];
 
        struct cell ani1;
        listhead = &ani1;
        strcpy(ani1.animal,"rat");
          
        struct cell ani2;
        ani1.next = &ani2;
        strcpy(ani2.animal,"cat");
        
        struct cell ani3;
        ani2.next = &ani3;
        strcpy(ani3.animal,"dog");
          
        struct cell ani4;
        ani3.next = &ani4;
        strcpy(ani4.animal,"elephant");
        
        struct cell ani5;
        ani4.next = &ani5;
        strcpy(ani5.animal,"horse");
        
        struct cell ani6;
        ani5.next = &ani6;
        strcpy(ani6.animal,"bat");
        
        struct cell ani7;
        ani6.next = &ani7;
        strcpy(ani7.animal,"hamster");
        ani7.next = NULL;
          
        while(strcmp(animal,"00") != 0){
          printf("動物名を英語で入力して下さい。(00で終了)-->");
          scanf("%s",animal);
                if(member(animal,listhead)==1){
                        printf("%sは存在します。\n",animal);
                }else if(member(animal,listhead)==0){
                         printf("%sは存在しません。\n",animal);
                }
                if(strcmp(animal,"00")== 0){
                        printf("終了します。\n");
                        return 0;
                }
 
 
 
        }
 
}
 
 
int member(char *animal,struct cell *listhead){



  //         struct cell ani1;
  //             struct cell ani2;
  //            struct cell ani3;
  //            struct cell ani4;
  //            struct cell ani5;
  //            struct cell ani6;
  //            struct cell ani7;
  // while(strcmp(listhead.animal(listhead->anima, animal) == 0)
  //  {
  //   printf("test\n");
      //    }ani1.animal
  // printf("%s",listhead->next.animal);
  while(listhead != NULL)
    {
        if(strcmp(listhead->animal, animal) == 0){
	  return 1;
	}
	listhead = listhead->next;
    }
  return 0;
}

		/*        }else if(strcmp(ani2.animal,"cat")== 0){
                return 1;
        }else if(strcmp(ani3.animal,"elephant")== 0){
                return 1;
        }else if(strcmp(ani4.animal,"horse" )==0){
                return 1;
        }else if(strcmp(ani5.animal,"bat")==0){
                return 1;
        }else if(strcmp(ani6.animal,"hamster")==0){
                return 1;
		}*/