DATE Library Functions

The following date-manipulation functions are in the ESQL/C library. They convert dates between a string format and the internal DATE format.


Function Name	Description	Page Reference
rdatestr()	Converts an internal `DATE` to a character string format	B-290
rdayofweek()	Returns the day of the week of a date in internal format	B-292
rdefmtdate()	Converts a specified string format to an internal `DATE`	B-294
rfmtdate()	Converts an internal `DATE` to a specified string format	B-302
rjulmdy()	Returns month, day, and year from a specified `DATE`	B-324
rleapyear()	Determines whether specified year is a leap year	B-326
rmdyjul()	Returns an internal `DATE` from month, day, and year	B-328
rstrdate()	Converts a character string format to an internal `DATE`	B-339
rtoday()	Returns a system date as an internal `DATE`	B-342

When you compile your ESQL/C program with the esql command, esql automatically links these functions into your program.