/* dict2.c - initw, insertw, deletew, lookupw */#define    MAXWORD    50        /* maximum length of a command or word    */#define DICTSIZ 100        /* maximum number of entries in diction.*/char    dict[DICTSIZ][MAXWORD+1];/* storage for a dictionary of words    */int    nwords = 0;        /* number of words in the dictionary    */int
initw()
{
    nwords = 0;
    return 1;
}

/*------------------------------------------------------------------------ * insertw - insert  a word in the dictionary *------------------------------------------------------------------------ */int
insertw(word)
char    *word;
{
    strcpy(dict[nwords], word);
    nwords++;
    return nwords;
}

/*------------------------------------------------------------------------ * deletew - delete  a word from the dictionary *------------------------------------------------------------------------ */int
deletew(word)
char    *word;
{
    int    i;

    for (i=0 ; i<nwords ; i++)
        if (strcmp(word, dict[i]) == 0) {
            nwords--;
            strcpy(dict[i], dict[nwords]);
            return 1;
        }
    return 0;
}

/*------------------------------------------------------------------------ * lookupw - look up a word in the dictionary *------------------------------------------------------------------------ */int
lookupw(word)
char    *word;
{
    int    i;

    for (i=0 ; i<nwords ; i++)
        if (strcmp(word, dict[i]) == 0)
            return 1;
    return 0;
}