/* Read text from a text file */
void read_text(char word_array[][MAX_WORD_LEN], char * pointer_array[][2]) {
    int j, word_count = 0, pointer_count = 0, k, same_word_found, EOF_check;
    char word[MAX_WORD_LEN];

    do {
        EOF_check = scanf("%s", word);

        if (EOF_check == EOF) {
            break;
        }

        j = 0;

        /* Convert word to lowercase */
        while (word[j] != '\0') {
            word[j] = tolower(word[j]);
            j++;
        }

        same_word_found = 0;

        /* Compare currently read word with every word in the array */
        /* If found in array, set pointer to the memory address of the word in the array */
        for (k = 0; k < word_count; k++) {
            if (!(strcmp(word, & word_array[k][0]))) {

                pointer_array[pointer_count][0] = & word_array[k][0];

                pointer_count++;

                same_word_found = 1;

                break;
            } else {
                continue;
            }
        }

        /* If not found, add word to array and set pointer to memory address of newly added word */
        if (!same_word_found) {
            strcpy( & word_array[word_count][0], word);

            pointer_array[pointer_count][0] = & word_array[word_count][0];

            pointer_count++;

            word_count++;
        }
    } while (pointer_count < MAX_WORDS);
}