Structure using function (students management system)

#include<stdio.h>

struct anything ///44 B
{
    int age;    ///4 B
    char name[20]; ///20 B           ///member definition
    char dept[10];///20 B

};

typedef struct anything newType ;


void display(int num,int i,newType student[])
{
        printf("         Info of student %d : \n",i+1);

        printf("Name = ");
        puts(student[i].name);
        printf("Age  = %d\n",student[i].age);
        printf("Dept = ");
        puts(student[i].dept);
}
main()
{
    printf("Enter student number ");
    int num;
    scanf("%d",&num);
    newType student[num];
    int i;
    for(i=0 ; i<num ; i++)
    {
        printf("         Info of student %d : \n",i+1);

        printf("Name = ");
        getchar();
        gets(student[i].name);
        printf("Age = ");
        scanf("%d",&student[i].age);
        printf("Dept = ");
        getchar();
        gets(student[i].dept);
    }



    for(i=0 ; i<num ; i++)
    {
       display(num,i,student);
    }



}