env std {
	def ret();
	def yld();
	def jmp();
	def jmp_if_true();
	def jmp_if_false();
	def put_u8(); alias put_i8() = put_u8();
	def mov_u8(); alias mov_i8() = mov_u8();
	def mov_u16(); alias mov_i16() = mov_u16();
	def deref_u8(); alias deref_i8() = deref_u8();
	def add_u8(); alias add_i8() = add_u8();
	def sub_u8(); alias sub_i8() = sub_u8();
	def band_u8(); alias band_i8() = band_u8();
	def equ_u8(); alias equ_i8() = equ_u8();
	def nequ_u8(); alias nequ_i8() = nequ_u8();
	def lt_u8(); alias lt_i8() = lt_u8();
	def gt_u8(); alias gt_i8() = gt_u8();
	def lte_u8(); alias lte_i8() = lte_u8();
	def gte_u8(); alias gte_i8() = gte_u8();
	def land_u8(); alias land_i8() = land_u8();
	def lor_u8(); alias lor_i8() = lor_u8();
}