Operations on date data
The IBM® Informix® ESQL/C library provides 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.