Problem with capitals check() function

Question

I've been having some difficulties with the check function. It seems to work when all the words in my text file are lowercase but any capital letters are returned as misspelled.

I iterate through through both the dictionary and text characters and use the tolower function. My program also doesn't return the last word in a text file if it is misspelled. Can you give me any help? *Updated

 bool check(const char* word)
 {
       char word2[strlen(word) + 1];
       strcpy(word2, word);
       int check = 0;

       for(int i = 0; word2[i] != '\0'; i++)
         {
        if(isalpha(word2[i]))
        {
            word2[i] = tolower(word2[i]);
        }
        }

       int index_value = hash_it(word2);
       node* cursor = hashtable[index_value];

       while(cursor != NULL) 
       {
         check = strcmp((cursor -> word), word2);

         if(check == 0) 
             return true;

        cursor = cursor -> next;    
      }
      return false;

      }

Answer 1

What does your hash function do? Does it return the same value for uppercase as lowercase? Most don't.

Your code hashes the word before converting it to lowercase in the check function.

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