question 2

source.c

#include <stdio.h>
#include <string.h>

struct info {
    char name[5];
    char homeNumber[12];
    char phoneNumber[12];
    char email[100];
} info;

int main(void) {
    struct info infoArr[] = {
        {
            .name = "A",
            .homeNumber = "135153",
            .phoneNumber = "1636136",
            .email = "A@email.com"
        },
        {
            .name = "B",
            .homeNumber = "13636613",
            .phoneNumber = "613613163",
            .email = "B@email.com"
        },
        {
            .name = "C",
            .homeNumber = "527",
            .phoneNumber = "34343",
            .email = "C@email.com"
        },
        {
            .name = "D",
            .homeNumber = "5727",
            .phoneNumber = "324523",
            .email = "D@email.com"
        },
        {
            .name = "E",
            .homeNumber = "25755347",
            .phoneNumber = "124124",
            .email = "E@email.com"
        }
    };

    char name[5];
    scanf_s("%s", name, sizeof(name) - 1);

    _Bool found = 0;
    for (unsigned i = 0; i < sizeof(infoArr) / sizeof(info); i++)
    {
        if (strcmp(infoArr[i].name, name) == 0) {
            printf("집: %s, 휴대폰: %s\n", infoArr[i].homeNumber, infoArr[i].phoneNumber);
            found = 1;
            break;
        }
    }

    if (!found) {
        printf("그런 사람 없다\n");
    }

    return 0;
}