Insert a node in link list at beginning in c data structure
#include<stdio.h>
#include<stdlib.h>
struct node
{
int data;
struct node *next;
};
struct node *create_link_list(int arr[],int size)
{
struct node *temp=NULL,*head=NULL,*current=NULL;
for(int i=0;i<size;i++)
{
temp=(struct node *)malloc(sizeof(struct node));
temp->data=arr[i];
temp->next=NULL;
if(head==NULL)
{
head=temp;
current=temp;
}
else
{
current->next=temp;
current=temp;
}
}
return head;
};
void insertatbegin(struct node *head2,int value)
{
struct node *temp=NULL;
temp=(struct node *)malloc(sizeof(struct node));
temp->data=value;
temp->next=head2;
while(temp!=NULL)
{
printf("%d ",temp->data);
temp=temp->next;
}
}
int main()
{
int n;
printf("Enter array size : ");
scanf("%d",&n);
int arr[n];
printf("Enter array element : ");
for(int i=0;i<n;i++)
scanf("%d",&arr[i]);
struct node *head,*head1;
head= create_link_list(arr,n);
head1=head;
while(head1!=NULL)
{
printf("%d ",head1->data);
head1=head1->next;
}
printf("\n");
insertatbegin(head,200);
}
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