The rleapyear( ) function
returns 1 (TRUE) when the argument that
is passed to it is a leap year and 0 (FALSE)
when it is not.
Syntax
mint rleapyear(year)
mint year;
year
is an integer.
Usage
The argument year must be the year component
of a date and not the date itself. You must express the year in
full form (1996) and not abbreviated form (96).