LinkedListFunction1

#include<stdio.h>
#include<stdlib.h>
typedef struct node
{
    int a;
    char ch;
    struct node *next;
}node;

node *head;

void insert_at_first(int aN, char chN)
{
    node *N=(node*)malloc(sizeof(node));
    N->a=aN;
    N->ch=chN;
    N->next=NULL;

    if(head==NULL)
    {
        head=N;
        return;
    }
    N->next=head;

    head=N;
}

int main()
{
    head=NULL;
    insert_at_first(5,'x');
    insert_at_first(4, 'y');
    insert_at_first(3, 'z');
    insert_at_first(9, 'i');
}