Linked listinsertion at a position

 SinglyLinkedListNode* insertNodeAtPosition(SinglyLinkedListNode* head, int data, int position) {

    SinglyLinkedListNode *temp,*ptr,*prev_node;

    temp=(SinglyLinkedListNode*)malloc(sizeof(SinglyLinkedListNode));

    temp->data=data;

    temp->next=NULL;

    int pos=0;

    ptr=head;

    while (ptr !=NULL) {

        

        if(pos==position) 

        {

            break;

        }

        prev_node=ptr;

        ptr=ptr->next;

        pos++;

    }

    prev_node->next=temp;

    temp->next=ptr;

    return head;

}