if (*format == '#')
                        {
                                __alternate_form = 1;
                                format++;
                        }
                        _expandtime(*format, timeptr, &string, &left,
                                                        lc_time);
                        format++;                       /* skip format char */
                        break;


                default:

                        /* store character, bump pointers, dec the char count */
                        if (isleadbyte((int)(*format)) && left > 1)
                        {
                                *string++ = *format++;
                                left--;
                        }
                        *string++ = *format++;
                        left--;
                        break;
                }
        }


        /* All done.  See if we terminated because we hit a null char or because
        we ran out of space */

        done:

        _unlock_locale( local_lock_flag )

        if (left > 0) {

                /* Store a terminating null char and return the number of chars
                we stored in the output string. */

                *string = '\0';
                return(maxsize-left);
        }

        else
                return(0);

}


/***
*_expandtime() - Expand the conversion specifier
*
*Purpose:
*       Expand the given strftime conversion specifier using the time struct
*       and store it in the supplied buffer.
*
*       The expansion is locale-dependent.
*
*       *** For internal use with strftime() only ***
*
*Entry:
*       char specifier = strftime conversion specifier to expand
*       const struct tm *tmptr = pointer to time/date structure
*       char **string = address of pointer to output string
*       size_t *count = address of char count (space in output area)
*       struct __lc_time_data *lc_time = pointer to locale-specific info
*
*Exit:
*       none
*
*Exceptions:
*
*******************************************************************************/

static void __cdecl _expandtime (
        char specifier,
        const struct tm *timeptr,
        char **string,
        size_t *left,
        struct __lc_time_data *lc_time
        )
{
        unsigned temp;                  /* temps */
        int wdaytemp;

        /* Use a copy of the appropriate __lc_time_data pointer.  This
        should prevent the necessity of locking/unlocking in mthread
        code (if we can guarantee that the various __lc_time data
        structures are always in the same segment). contents of time
        strings structure can now change, so thus we do use locking */

        switch(specifier) {             /* switch on specifier */

                case('a'):              /* abbreviated weekday name */
                        _store_str((char *)(lc_time->wday_abbr[timeptr->tm_wday]),
                                 string, left);
                        break;

                case('A'):              /* full weekday name */
                        _store_str((char *)(lc_time->wday[timeptr->tm_wday]),
                                 string, left);
                        break;

                case('b'):              /* abbreviated month name */
                        _store_str((char *)(lc_time->month_abbr[timeptr->tm_mon]),
                                 string, left);
                        break;

                case('B'):              /* full month name */
                        _store_str((char *)(lc_time->month[timeptr->tm_mon]),
                                 string, left);
                        break;

                case('c'):              /* date and time display */
                        if (__alternate_form)
                        {
                                __alternate_form = FALSE;
                                _store_winword(lc_time->ww_ldatefmt, timeptr, string, left, lc_time);
                                if (*left == 0)
                                        return;
                                *(*string)++=' ';
                                (*left)--;
                                _store_winword(lc_time->ww_timefmt, timeptr, string, left, lc_time);
                        }
                        else {
                                _store_winword(lc_time->ww_sdatefmt, timeptr, string, left, lc_time);
                                if (*left == 0)
                                        return;
                                *(*string)++=' ';
                                (*left)--;
                                _store_winword(lc_time->ww_timefmt, timeptr, string, left, lc_time);
                        }
                        break;

                case('d'):              /* mday in decimal (01-31) */
                        __no_lead_zeros = __alternate_form;
                        _store_num(timeptr->tm_mday, 2, string, left);
                        break;

                case('H'):              /* 24-hour decimal (00-23) */
                        __no_lead_zeros = __alternate_form;
                        _store_num(timeptr->tm_hour, 2, string, left);
                        break;

                case('I'):              /* 12-hour decimal (01-12) */
                        __no_lead_zeros = __alternate_form;
                        if (!(temp = timeptr->tm_hour%12))
                                temp=12;
                        _store_num(temp, 2, string, left);
                        break;

                case('j'):              /* yday in decimal (001-366) */
                        __no_lead_zeros = __alternate_form;
                        _store_num(timeptr->tm_yday+1, 3, string, left);
                        break;

                case('m'):              /* month in decimal (01-12) */
                        __no_lead_zeros = __alternate_form;
                        _store_num(timeptr->tm_mon+1, 2, string, left);
                        break;

                case('M'):              /* minute in decimal (00-59) */
                        __no_lead_zeros = __alternate_form;
                        _store_num(timeptr->tm_min, 2, string, left);
                        break;

                case('p'):              /* AM/PM designation */
                        if (timeptr->tm_hour <= 11)
                            _store_str((char *)(lc_time->ampm[0]), string, left);
                        else
                            _store_str((char *)(lc_time->ampm[1]), string, left);
                        break;

                case('S'):              /* secs in decimal (00-59) */
                        __no_lead_zeros = __alternate_form;
                        _store_num(timeptr->tm_sec, 2, string, left);
                        break;

                case('U'):              /* sunday week number (00-53) */
                        __no_lead_zeros = __alternate_form;
                        wdaytemp = timeptr->tm_wday;
                        goto weeknum;   /* join common code */

                case('w'):              /* week day in decimal (0-6) */
                        __no_lead_zeros = __alternate_form;
                        _store_num(timeptr->tm_wday, 1, string, left);
                        break;

                case('W'):              /* monday week number (00-53) */
                        __no_lead_zeros = __alternate_form;
                        if (timeptr->tm_wday == 0)  /* monday based */
                                wdaytemp = 6;
                        else
                                wdaytemp = timeptr->tm_wday-1;
                weeknum:
                        if (timeptr->tm_yday < wdaytemp)
                                temp=0;
                        else {
                                temp = timeptr->tm_yday/7;
                                if ((timeptr->tm_yday%7) >= wdaytemp)
                                        temp++;
                                }
                        _store_num(temp, 2, string, left);
                        break;

                case('x'):              /* date display */
                        if (__alternate_form)
                        {
                                __alternate_form = FALSE;
                                _store_winword(lc_time->ww_ldatefmt, timeptr, string, left, lc_time);
                        }
                        else
                        {
                                _store_winword(lc_time->ww_sdatefmt, timeptr, string, left, lc_time);
                        }
                        break;

                case('X'):              /* time display */
                        __alternate_form = FALSE;
                        _store_winword(lc_time->ww_timefmt, timeptr, string, left, lc_time);
                        break;

                case('y'):              /* year w/o century (00-99) */
                        __no_lead_zeros = __alternate_form;
                        temp = timeptr->tm_year%100;
                        _store_num(temp, 2, string, left);
                        break;

                case('Y'):              /* year w/ century */
                        __no_lead_zeros = __alternate_form;
                        temp = (((timeptr->tm_year/100)+19)*100) +
                               (timeptr->tm_year%100);
                        _store_num(temp, 4, string, left);
                        break;

                case('Z'):              /* time zone name, if any */
                case('z'):              /* time zone name, if any */
#ifdef _MAC
                        _tzset();       /* Set time zone info */
#else  /* _MAC */
                        __tzset();      /* Set time zone info */
#endif  /* _MAC */
                        _store_str(_tzname[((timeptr->tm_isdst)?1:0)],
                                 string, left);
                        break;

                case('%'):              /* percent sign */
                        *(*string)++ = '%';
                        (*left)--;
                        break;

                default:                /* unknown format directive */
                        /* ignore the directive and continue */
                        /* [ANSI: Behavior is undefined.]    */
                        break;

        }       /* end % switch */
}


/***
*_store_str() - Copy a time string
*
*Purpose:
*       Copy the supplied time string into the output string until
*       (1) we hit a null in the time string, or (2) the given count
*       goes to 0.
*
*       *** For internal use with strftime() only ***
*
*Entry:
*       char *in = pointer to null terminated time string
*       char **out = address of pointer to output string
*       size_t *count = address of char count (space in output area)
*
*Exit:
*       none
*Exceptions:
*
*******************************************************************************/

static void __cdecl _store_str (
        char *in,
        char **out,
        size_t *count
        )
{

        while ((*count != 0) && (*in != '\0')) {
                *(*out)++ = *in++;
                (*count)--;
        }
}