Link List Tutorial

0     node *addToEnd(node *first,char name[],int roll_no){
1          node *new_node=(node *)malloc(sizeof(node));
2          node *temp=first;
3         
4          //initialise new node
5          strcpy(new_node->name,name);
6          new_node->roll_number=roll_no;
7          new_node->next=NULL;
8         
9          //if the list is empty do this.
10          if(first==NULL){
11              first=new_node;
12              return first;
13          }
14         
15          //traverse list
16          while(temp->next!=NULL){
17              temp=temp->next;
18          }
19         
20          //attach node to end of the list
21          temp->next=new_node;
22          return first;
23     }
24