linked_list_addNode.c

void addNode(linkedList_h*, int x){
    listNode* NewNode;
    listNode* LastNode;
    NewNode = (linkedList_h*)malloc(sizeof(linkedList_h));
    NewNode->data = x;
    NewNode->link = NULL;
    
    if (H->head == NULL){
        H->head = NewNode;
        NewNode->link = NULL;
        return;
    }
    LastNode = H->head;
    while(LastNode->link != NULL){
        LastNode = LastNode->link;
    }
    lastNode->link = NewNode;
}