Struct.c

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
typedef struct student
{
    int roll;
    float marks;
    char Name[25];
    char Gender;
}student;

int main()
{
    int N, Flag=1;
    
    printf("Enter number of students =>");
    scanf("%d",&N);
    
    student st[N];
    
    do
    {
        printf("Enter details for student %d...\nEnter Roll NO. =>",Flag);
        scanf("%d",&st[Flag].roll);
        printf("Enter Marks =>");
        scanf("%d",&st[Flag].marks);
        getchar();
        printf("Enter Name =>");
        gets(st[Flag].Name);
        printf("Enter Gender =>");
        scanf("%c",&st[Flag].Gender);
	Flag++;
    }while(Flag<N);
    
    return 0;
}