Table *hbytestoplevel TopLevel_Command
	hbytes
		subcmd	enum(HBytes/_SubCommand, "hbytes subcommand")
		...	obj
	ulong
		subcmd	enum(ULong/_SubCommand, "ulong subcommand")
		...	obj

Table ulong ULong_SubCommand
	ul2int
		v	ulong
		=>	int
	int2ul
		v	int
		=>	ulong
	mask
		a	ulong
		b	ulong
		=>	ulong
	add
		a	ulong
		b	ulong
		=>	ulong
	multiply
		a	ulong
		b	ulong
		=>	ulong
	subtract
		a	ulong
		b	ulong
		=>	ulong
	compare
		a	ulong
		b	ulong
		=>	int
	shift
		right	charfrom("lr", "shift direction")
		v	ulong
		bits	int
		=>	ulong
	ul2bitfields
		value	ulong
		...	obj
		=>	int
	bitfields2ul
		base	ulong
		...	obj
		=>	ulong

Table hbytes HBytes_SubCommand
	raw2h
		binary	obj
		=>	hb
	h2raw
		hex	hb
		=>	obj
	ushort2h
		value	long
		=>	hb
	h2ushort
		hex	hb
		=>	long
	length
		v	hb
		=>	int
	compare
		a	hb
		b	hb
		=>	int
	range
		v	hb
		start	int
		size	int
		=>	hb
 	prepend
 		v	hbv
 		...	str
 	append
 		v	hbv
 		...	str
	rep-info
		v	obj
		=>	obj
 	concat
 		...	str
		=>	hb
 	unprepend
 		v	hbv
 		length	int
 		=>	hb
 	unappend
 		v	hbv
 		length	int
 		=>	hb
 	chopto
 		v	hbv
 		length	int
 		=>	hb
	overwrite
		v	hbv
		start	int
		sub	hb
	trimleft
		v	hbv
	zeroes
		length	int
		=>	hb
	repeat
		v	hb
		count	int
		=>	hb
	xor
		v	hbv
		d	hb
	random
		length	int
		=>	hb