98                             VGint sx, VGint sy,  in read_alpha_mask()  argument
109    VGint y = (stfb->height - sy) - 1, yStep = -1;  in read_alpha_mask()
120    if (sy < 0) {  in read_alpha_mask()
121       yoffset = -sy;  in read_alpha_mask()
122       height += sy;  in read_alpha_mask()
123       sy = 0;  in read_alpha_mask()
124       y = (stfb->height - sy) - 1;  in read_alpha_mask()
137          debug_printf("%d-%d  == %d\n", sy, height, y);  in read_alpha_mask()
392                VGint sx, VGint sy,  in mask_copy()  argument
407       sy += height;  in mask_copy()
412             sx, sy, width, height);  in mask_copy()