wg_extract_ft_table

	WG_EXTRACT_FT_TABLE(table_entry)

	This macro returns the f(t) table number from a ramp table map
	entry value.  This value could have been retrieved by a call
	to td_read or td_read_one(_c).

	table_entry	ramp table map entry

	This macro is found in:

	ul_cbsaux_h:auxlib_device_h, tclk_events_h, acnet_errors_h

	Related macros:

	WG_EXTRACT_GI_TABLE, WG_EXTRACT_HI_TABLE, WG_BUILD_RAMP_POINTER