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with transport_defs;
with system;
with unchecked_conversion;

package user_traps is


	TDM_EXIT:         constant := 0;
	TDM_RECEIVE:      constant := 1;
	TDM_SEND:         constant := 2;

	----------------------------------------------------------
	-- Parameter block structure for send and receive calls --
	----------------------------------------------------------
	type IO_params is record
		chan: transport_defs.channel_t;
		cnt:  integer;
		buf:  system.address;
	end record;

	for IO_params use record
		chan 			at 0 range 0..7;
		cnt				at 2 range 0..31;
		buf				at 6 range 0..31;
	end record;

	type a_IO_params is access IO_params;

	function to_a_IO_params is new unchecked_conversion(
			source => system.address,
			target => a_IO_params
		);

end