* value.h (struct internalvar): Remove.

	* value.h (struct internalvar): Remove.
	(get_internalvar_integer): Add prototype.
	(set_internalvar_integer): Add prototype.
	(clear_internalvar): Add prototype.

	* value.c (struct internalvar): Move here.  Add type member.  Remove
	endian member.  Add union_internalvar member instead of value member.
	(init_if_undefined_command): Use intvar->type.
	(create_internalvar): Do not initialize value/endian, but type.
	(create_internalvar_type_lazy): Call create_internalvar.
	(value_of_internalvar): Handle host-side internalvar contents.
	(set_internalvar_component): Likewise.
	(set_internalvar): Likewise.
	(get_internalvar_integer): New function.
	(clear_internalvar): Likewise.
	(set_internalvar_integer): Likewise.
	(preserve_values): Handle host-side internalvar contents.

	* breakpoint.c (set_breakpoint_count, set_tracepoint_count): Call
	set_internalvar_integer instead of set_internalvar.
	* findcmd.c (find_command): Likewise.
	* infrun.c (handle_inferior_event): Likewise.
	* source.c (forward_search_command, reverse_search_command): Likewise.
	* tracepoint.c (set_traceframe_num, set_tracepoint_num,
	set_traceframe_context): Likewise.

	* printcmd.c (x_command): Call clear_internalvar instead of
	set_internalvar.
	* tracepoint.c (set_traceframe_context): Likewise.

	* breakpoint.c (get_number_trailer): Call get_internalvar_integer
	instead of value_of_internalvar.
	* linespec.c (decode_dollar): Likewise.

	* expprint.c (dump_subexp_body_standard): Use internalvar_name
	instead of accessing internalvar private elements.
	* valops.c (value_assign): Copy from original source instead of
	accessing internalvar private elements.