USAGE
   signed int sccdsday(
           signed char *daystr,
           signed char day );

PROTOTYPE IN
   sc_clock.h

DESCRIPTION
   sccdsday returns the day of the week ASCIIZ string in daystr for
   the day specified by day. day must be in the range of 0 (Sunday)
   to 6 (Saturday). The maximum length of the string returned will be 9 plus
   the NULL byte.

   Date string styles:
   SC_GREGOR     mm/dd/yy
   SC_GREGORL    mm/dd/yyyy
   SC_JULIAN     yyyy/ddd
   SC_YMD        yyyymmdd
   SC_DMY        ddmmyy

EXAMPLE
   #include <stdio.h>
   #include <softc.h>
   #include <sc_clock.h>

   void main()
   {
     char day[10];

     sccdsday(day,0);
     puts(day);
   }