/*N SLOG_RETURN_STATUS

  Notes on SLOG return status code :
       There are 5 allowed SLOG returned status codes.  They include
       SLOG_SUCCESS, SLOG_FAIL and SLOG_EOF.  Their actual values
       are defined in slog.h

       SLOG_SUCCESS is returned when no error is encountered.

       SLOG_FAIL is returned when error is encounted.

       SLOG_EOF is returned when End of file is encounted.

       There are also SLOG_TRUE and SLOG_FALSE which are sued as boolean
       values, in particular they are used in boolean functions which
       are usually named as IsXXXXX(), AreXXXXX() and HasXXXXX().
.n

N*/

