sohanvai.c

#include <stdio.h>
#include <stdlib.h>

typedef struct info
{
    char* name;
    int bng;
    int eng;
    int mth;
    float avg;
    struct info* next;
}Info;

void print(Info* ptr);
void add(Info* ptr, int a, int b, int c, char* name);
int i=0;

int main()
{
    Info* start,*temp;
    start=(Info*)malloc(sizeof(Info));
    temp=start;
    temp->next=NULL;

    while (i<20)
    {
        int x,a,b,c;
        char *name;
        scanf("%d",&x);
        switch(x)
        {
        case 1:
            scanf("%d %d %d",&a,&b,&c);
            getchar();
            printf("\nEnter nAME: ");
            gets(name);
            add(start,a,b,c,name);
            i++;
            break;
        case 2:
            print(start);
            break;
        }
    }

    return 0;
}

void add(Info* ptr, int a, int b, int c, char *name)
{
    while (ptr!=NULL)
    {
        ptr=ptr->next;
    }
    ptr->next=(Info*)malloc(sizeof(Info));
    ptr=ptr->next;
    ptr->name=name;
    ptr->bng=a;
    ptr->eng=b;
    ptr->mth=c;
    ptr->avg=(a+b+c)/3.00;
}

void print(Info* ptr)
{
    if (ptr==NULL)
    {
        return;
    }
    puts(ptr->name);
    print("\n");
    printf("\n%d",ptr->bng);
    printf("\n%d",ptr->eng);
    printf("\n%d",ptr->mth);
    printf("\n%f",ptr->avg);
    print(ptr->next);
}