일단.. 뭔가 기본이 안되신듯;; 여기저기서 복사해와서 짜집기 했는데, 룰도 못맞춰서 짜집기 한느낌인데요.?

도와달라고 할때는 컴파일은 되는 소스를 __ 가져오심이;;

뭔가 수정해서 도와주려고 해도.. 이건 ... 뭐 수정해주기가 힘드네요-_-;;

함수선언이랑, return이랑 인자값 전달하는 부분들을 공부하세요.

#include <stdio.h>
#include <stdlib.h>
#include <memory.h>
#include <string.h>
struct person{
        char name[20];
        char phone[20];
        char number[20];
};

int save();
int search();

int main(void)
{
        struct person parr[10];

        int val=0;

        while (1) {
                printf("save(1), search(2), exit(0)\n");
                scanf("%d",&val);

                switch(val)
                {
                                case 1:
                                        save(parr);
                                        break;
                                case 2:
                                        search(parr);
                                        break;
                                case 0:
                                        printf("exit!\n");
                                        return 0;
                                default:
                                printf("NG\n");
                }

        }
}

int save(struct person *parr)
{
        int i;
        for(i=0;i<10;i++);
        {
                printf("?? ??:\n");
                scanf("%s", parr[i].name);

                printf("???? ??:\n");
                scanf("%s", parr[i].phone);

                printf("?? ??:\n");
                scanf("%s", parr[i].number);
        }

        return 0;
}

int search(struct person *parr)
{
        int i;
        char seek[20];

        memset(seek,0x00,sizeof(seek));
        printf("seek\n");
        scanf("%s", seek);

        for(i=0;i<10;i++);
        {
                if(memcmp(seek, parr[i].number, strlen(seek)) == 0)
                        printf("parr[i].name ; %s\n, parr[i].phone : %s\n, parr[i].number : %s\n",parr[i].name, parr[i].phone, parr[i].number);
                else
                        printf("NG\n");
        }

        return 0;

}

이런 식으로 짜고 싶어 하시는 듯..