lex_draw_size_c

	status.i4.v = lex_draw_size_c(file_name.i1a.r, image_number.i4.v,
				      width.i4.r, height.i4.r)

	This routine returns the width and height of a Lex Draw image.
	Images can be edited and saved files by using the interactive
	graphics image editor (Lex Draw), currently on page D28.

	file_name	graphics image filename (LEXT_IMAGE_NAMLEN characters)
	image_number	image number (>= 1)
	width		returned width in pixels
	height		returned height in pixels

	This function returns ACNET status values as follows:

	OK			success
	CLIB_INVID		invalid image number passed
	FSHARE_xxx		image file access error

	This function requires the following include files:

	clib_h, acnet_errors_h

	Related functions:

	lex_draw_display_c, lximag, lex_object_display_c, lxobj,
	wn_screen_init(_c), LXRST

	C/C++ usage:

	static const char	file_name[LEXT_IMAGE_NAMLEN+1] = "XXXXXXXX";
	int	status;
	int	image_number = 1;
	int	width;
	int	height;

	status = lex_draw_size_c(file_name,image_number,&width,&height);