typedef struct user {
    char name[MAX_NAME];
    char profile_pic[MAX_NAME];  // This is a *filename*, not the file contents.
    struct user *friends[MAX_FRIENDS];
    struct user *next;
} User;

void create_user(const char *name, User **user_ptr_add) {
    // create temp user struct with given name
    User new_user;
    strcpy(new_user.name, name);
    strcpy(new_user.profile_pic, "");
    new_user->friends = NULL;
    new_user.next = NULL;
}
how to initialize friends member to be empty (NULL)