Function            fulltoddate - convert a full date to struct

  Syntax              struct ddate *fulltoddate(char *source);

  Prototype in        datehk.h

  Remarks             fulltoddate converts a date from a full date format
                      to the structure ddate format

  Return value        returns a pointer to the storage location
                      containing the date structure, or NULL if space
                      could not be allocated.

  See also            see Appendix A
                      Cal...(), date_convert(), ddatetofull(),
                      ddatetoshort(), ddatetostr(), Greg...(), Jul...(),
                      monthexpand(), shorttoddate(), strtoddate()

  Example             see demodate.c