help with these 2

Short Answer: C Programming II 3. Define a new datatype to represent a book. A book should contain a title, an author, a genre (fiction, comedy, nonfiction, or drama; don't use a string), and bookmark position. Use all proper syntax and indicate any assumptions you made. [10 points] [Acua] Consider the following function which adds a new node to the front of a list passed as a parameter called param_list. struct grade_node { //see previous question. }; = void add_node (grade_node* parm_list, grade_node* node) { if(node != NULL) { node->next param_list; param_list = node; } } Is it possible for this function ever to work incorrectly? If so, under what conditions does it fail