GU__AnnotateText (ul_pbar_graphics)

 *  Synopsis:
 *    #include <ul_pbar_graphics:gu.h>
 *
 *    GU__Result GU__AnnotateText( long int windowId, int row, int column,
 *				   char* text, int color )
 *
 *  Function intent:
 *    GU__AnnotateText() displays a text string in a specified graphic window,
 *    at the specified coordinates and in the specified color.
 *  Function parameters:
 *    long int	windowId	window ID in which to display the string
 *    int	row		character row in which to display the string
 *    int	column		character column in which to display the string
 *    char	*text		pointer to text string to be displayed
 *    int	color		color used to display the string
 *  Function return value:
 *    CBS_OK	success
 *    else 	wn_xxx() function error occured