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
    int,
    isassoc, isatty, isblk, isconfig, isdefined, iserror, iseven, isfile,
    ishash, isident, islist, ismat, ismult, isnull, isnum, isobj,
    isobjtype, isodd, isprime, isrand, israndom, isreal, isrel,
    issimple, issq, isstr, istype