SLOG_Irec_IsEmpty
Check if the specified Interval record is empty 
Synopsis
int SLOG_Irec_IsEmpty( const SLOG_intvlrec_t *irec )
Unmodified Input Variables 
- irec  - constant SLOG_intvlrec_t pointer to be checked
Modified Output variables 
- returned value  - integer return status
Usage Notes on this subroutine 
This routine is mainly used for debugging purposes.
Include File Needed 
slog.h
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().
Location:../src/slog_irec_common.c