问在c++中设置链表

EN

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>

#define LENGTH 45

typedef struct node
{
    char* word;
    struct node* next;
}
node;


int main(void)
{

    node* head = NULL;  //start of list
    // open input file 
    FILE* inptr = fopen("smalllocal", "r");
    if (inptr == NULL)
    {
        printf("Could not open %s.\n", "smalllocal");
        return 2;
    }
    printf("Opened file\n");

    //Get a word from dictionary
    char str1[LENGTH +1];
    while (fscanf(inptr, "%s", str1) != EOF)
    {      
        node* new_node = malloc(sizeof(node));  //malloc space for a new node
        if (new_node == NULL)
        {
            return 3;
        }
        new_node->word = str1;
        // is it the first insertion at this index?
        if (head == NULL)
        {
              new_node->next = head;
              head = new_node;
        }
        else
        // collision so insert at front of list
        {
            new_node->next = head;
            head = new_node;
        }
    }
    fclose(inptr);
    printf("Closed file\n");
    node* pointer = head;
    while (pointer != NULL)
    {
        printf("%s\n", pointer->word);
        pointer = pointer->next;
    }

    return 0;
}