학생입력 프로그램

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string.h>
 
int index = 0;
 
struct Student {
    int m_number;
    char m_name[10];
    double m_grade;
};
 
void InputData(struct Student *);
void PrintList(struct Student *);
 
int main(void)
{
    struct Student s[100];
 
    int order = 0;
    while (order != 3)
    {
        printf("=====================\n1 입력, 2 출력, 3 종료\n=====================\n");
        scanf("%d", &order);
        switch (order)
        {
        case 1:
            InputData(s);
            break;
        case 2:
            PrintList(s);
            break;
        case 3:
            printf("종료합니다.\n");
            break;
        }
    }
    return 0;
}
 
void InputData(struct Student *s)
{
    printf("학번을 입력하세요 ");
    scanf("%d", &s[index].m_number);
 
    printf("\n이름을 입력하세요 ");
    scanf("%s", &s[index].m_name);
 
    printf("\n학점을 입력하세요 ");
    scanf("%lf", &s[index].m_grade);
    index++;
}
 
void PrintList(struct Student *s)
{
    for (int i = 0; i < index; i++)
    {
        printf("\n학번\t이름\t학점 \n");
        printf("%d\t%s\t%lf\t\n", s[i].m_number, s[i].m_name, s[i].m_grade);
    }
}