NAME
    argv - displays information about its args

SYNOPSIS
    custom("argv" [, arg ...])

TYPES
    arg		any

    return	int

DESCRIPTION
    This custom function will, for each arg given print:

	arg number
	arg type
	number of elements (size())
	memory size (sizeof())

    The number of args passed, not counting the initial "argv" name
    arg is returned.

EXAMPLE
    > foo=5^713; bar=17; baz=list(2,3,4);
    > custom("argv", foo, bar, baz, 3+4.5i, pi())
	    arg[0]  rational_value          size=1  sizeof=272
	    arg[1]  rational_value          size=1  sizeof=68
	    arg[2]  list                    size=3  sizeof=256
	    arg[3]  complex_value           size=1  sizeof=140
	    arg[4]  rational_value          size=1  sizeof=84
	    5

LIMITS
    calc must be built with ALLOW_CUSTOM= -DCUSTOM
    calc must be executed with a -C arg.

LIBRARY
    none

SEE ALSO
    custom