lxtext_c(x.i4.v, y.i4.v, string.i1a.r, length.i4.v [,color.i4.v])

	This routine is a C-callable version of LXTEXT (see LXTEXT)

	x, y		screen position
	string		text string to be displayed
	length		length of text string
	[color]		text color (constants are in cnsparam)
			(default is WHITE)

	This function requires the following include files:

	cnsparam_h, cbslib_h

	Related functions:

	lxprint(_c), wn_text(_c), lxblnk(_c), lx_row_to_pix(_c),
	lx_col_to_pix(_c), read_lx_format