13     return strcmp(w1->w, w2->w);

    13     return strcmp(w1->w, w2->w);

    14 }

    14 }

    15 

    15 

    16 int sort_words()

    16 int sort_words()

    17 {

    17 {

    18     qsort(words, nwords, sizeof(words[0]), cmp_words);

    19     qsort(words, nwords, sizeof(words[0]), cmp_words);

    19 }

    20 }