Type hb:			HBytes_Value @
Init hb				@.start=0; @.end=0;
Type hbv:			HBytes_Var @
Init hbv			@.hb=0; @.obj=0; @.var=0;
Fini hbv			fini_hbv(ip, rc, &@);

H-Include	"hbytes.h"

Untabled
	hbytes
		subcmd	enum(HBytes_SubCommand, "hbytes subcommand")
		obj	...

Table hbytes HBytes_SubCommand
	raw2h
		binary	obj
		=>	hb
	h2raw
		hex	hb
		=>	obj
 	prepend
 		v	hbv
 		str	...
 	append
 		v	hbv
 		str	...
 	concat
 		str	...
		=>	hb
# 	unprepend
# 		v	hbv
# 		length	int
# 		=>	hb
# 	unappend
# 		v	hbv
# 		length	int
# 		=>	hb
# 	chopto
# 		v	hbv
# 		length	int
# 		=>	hb
# 	pkcs5
# 		meth	enum(PadMethod, "hbytes pad subcommand")
# 		obj	...
# 	blockcipher
# 		encrypt	charfrom("de","encrypt/decrypt")
# 		v	hbv
# 		alg	enum(BlockCipherAlgInfo, "alg")
# 		mode	enum(BlockCipherModeInfo, "mode")
# 		?iv	hb
# 		=>	hb
# 	hash
# 		alg	enum(HashAlgInfo, "hash alg")
# 		message	hb
# 		=>	hb
# 	hmac
# 		alg	enum(HashAlgInfo, "hash alg for hmac")
# 		message	hb
# 		key	hb
# 		maclen	int
# 		=>	hb

#Table padmethod PadMethod
#	pa	1, 0

#EntryExtra PadMethod
#	int pad, algname;