HelenOS sources

DISPLAY_WINDOW_GET_POS  627 uspace/lib/display/src/disp_srv.c 		case DISPLAY_WINDOW_GET_POS:
DISPLAY_WINDOW_GET_POS  364 uspace/lib/display/src/display.c 	req = async_send_1(exch, DISPLAY_WINDOW_GET_POS, window->id, &answer);
HelenOS homepage, sources at GitHub