NAME
    isint - whether a value is an integer

SYNOPSIS
    isint(x)

TYPES
    x		any, &any

    return	int

DESCRIPTION
    Determine if x is an integer.  This function will return 1 if x is
    integer, 0 otherwise.

EXAMPLE
    > print isint(2.0), isint(1), isint("0")
    1 1 0

    > print isint(2i), isint(1e20), isint(1/3)
    0 1 0

LIMITS
    none

LIBRARY
    none

SEE ALSO
    isassoc, isfile, isint, islist, ismat, isnull, isnum, isobj, isreal,
    isstr, issimple, istype
