MODULE_SCOPE YYSTYPE yylval;
MODULE_SCOPE int yynerrs;

/*
 * Month and day table.
 */

static TABLE MonthDayTable[] = {
static const TABLE MonthDayTable[] = {
    { "january",	tMONTH,	 1 },
    { "february",	tMONTH,	 2 },
    { "march",		tMONTH,	 3 },
    { "april",		tMONTH,	 4 },
    { "may",		tMONTH,	 5 },
    { "june",		tMONTH,	 6 },
    { "july",		tMONTH,	 7 },

    { NULL, 0, 0 }
};

/*
 * Time units table.
 */

static TABLE UnitsTable[] = {
static const TABLE UnitsTable[] = {
    { "year",		tMONTH_UNIT,	12 },
    { "month",		tMONTH_UNIT,	 1 },
    { "fortnight",	tDAY_UNIT,	14 },
    { "week",		tDAY_UNIT,	 7 },
    { "day",		tDAY_UNIT,	 1 },
    { "hour",		tSEC_UNIT, 60 * 60 },
    { "minute",		tSEC_UNIT,	60 },
    { "min",		tSEC_UNIT,	60 },
    { "second",		tSEC_UNIT,	 1 },
    { "sec",		tSEC_UNIT,	 1 },
    { NULL, 0, 0 }
};

/*
 * Assorted relative-time words.
 */

static TABLE OtherTable[] = {
static const TABLE OtherTable[] = {
    { "tomorrow",	tDAY_UNIT,	1 },
    { "yesterday",	tDAY_UNIT,	-1 },
    { "today",		tDAY_UNIT,	0 },
    { "now",		tSEC_UNIT,	0 },
    { "last",		tUNUMBER,	-1 },
    { "this",		tSEC_UNIT,	0 },
    { "next",		tNEXT,		1 },

};

/*
 * The timezone table. (Note: This table was modified to not use any floating
 * point constants to work around an SGI compiler bug).
 */

static TABLE TimezoneTable[] = {
static const TABLE TimezoneTable[] = {
    { "gmt",	tZONE,	   HOUR( 0) },	    /* Greenwich Mean */
    { "ut",	tZONE,	   HOUR( 0) },	    /* Universal (Coordinated) */
    { "utc",	tZONE,	   HOUR( 0) },
    { "uct",	tZONE,	   HOUR( 0) },	    /* Universal Coordinated Time */
    { "wet",	tZONE,	   HOUR( 0) },	    /* Western European */
    { "bst",	tDAYZONE,  HOUR( 0) },	    /* British Summer */
    { "wat",	tZONE,	   HOUR( 1) },	    /* West Africa */

    { NULL, 0, 0 }
};

/*
 * Military timezone table.
 */

static TABLE	MilitaryTable[] = {
static const TABLE MilitaryTable[] = {
    { "a",	tZONE,	-HOUR( 1) },
    { "b",	tZONE,	-HOUR( 2) },
    { "c",	tZONE,	-HOUR( 3) },
    { "d",	tZONE,	-HOUR( 4) },
    { "e",	tZONE,	-HOUR( 5) },
    { "f",	tZONE,	-HOUR( 6) },
    { "g",	tZONE,	-HOUR( 7) },

static int
LookupWord(
    YYSTYPE* yylvalPtr,
    char *buff)
{
    register char *p;
    register char *q;
    register TABLE *tp;
    register const TABLE *tp;
    int i, abbrev;

    /*
     * Make it lowercase.
     */

    Tcl_UtfToLower(buff);