Operations on Date Data

Use the following ESQL/C library functions to perform operations on DATE (mi_date) values.

Function Name

Description

rdayofweek( )

Returns the day of the week

rjulmdy( )

Returns month, day, and year from an internal format

rleapyear( )

Determines whether a specified year is a leap year

rmdyjul( )

Returns an internal format from month, day, and year

rtoday( )

Returns a system date in internal format

Any other operations, modifications, or comparisons can produce unpredictable results.