status.i4.v = set_logical_strings(true_string.i1a.r, false_string.i1a.r)

	This routine sets up the text strings associated with the
	logical data type used by the numeric_to_ascii(_c),
	ascii_to_numeric(_c), '(window_)display_value(_c)', and
	'(window_)input_value(_c)' routines.  The present values
	for these strings can be read by a call to get_logical_strings.

	true_string	null-terminated ASCII text associated with a
			value of TRUE
	false_string	null-terminated ASCII text associated with a
			value of FALSE

	This function returns ACNET status values as follows:

	OK			success
	CBS_MEMFAIL		dynamic memory allocation failure
	CBS_INVARG		invalid argument

	This function requires the following include files:

	cnsparam_h, cns_data_structs_h, cbslib_h, acnet_errors_h

	Related functions:

	get_logical_strings, set_enumerated_strings_c, get_enumerated_strings,
	get_enumerated_string_array_c, set_enumerated_string_array_c,
	ascii_to_numeric(_c), numeric_to_ascii(_c), create_user_data_type_c,
	get_bit_mask_strings_c, set_bit_mask_strings_c,
	window_display_value(_c), window_input_value(_c), winput(_c)

	C/C++ usage:

	static char	true_string[] = "True";
	static char	false_string[] = "False";
	int	status;

	status = set_logical_strings(true_string,false_string);