crg_tecar_read (ul_crg)

	status.i4.v = crg_tecar_read(file_number.i4.v, this_ramp.s.r)

	This routine reads the CRG TECAR ramp and places the data in
	the user preallocated structure this_ramp.

	file_number	CRG file number to read  (If file_number
			is zero, this routine will automatically
			search for the active file.)
	this_ramp	returned TECAR ramp data (structure of type CRG_TECAR)
			(The caller should allocate memory before
			 calling this routine.)

	This function returns ACNET status values as follows:

	DBM_OK			access
	DBM_xxx			error in reading database
	CBS_INVARG		file number out of range or null structure
				pointer passed

	This function requires the following include files:

	ul_crg_h:crg_h, acnet_errors_h

	Related functions:

	crg_tecar_c_to_ftn, cnv_time_energy, crg_param_read, crg_read_tuner,
	crg_read_b2min_slope, crg_active_file