HelenOS sources
MOUSEEV_MOVE_EVENT 55 uspace/drv/hid/adb-mouse/adb-mouse.c async_msg_3(exch, MOUSEEV_MOVE_EVENT, dx, dy, dz);
MOUSEEV_MOVE_EVENT 311 uspace/drv/hid/ps2mouse/ps2mouse.c async_msg_2(exch, MOUSEEV_MOVE_EVENT, move_x, -move_y);
MOUSEEV_MOVE_EVENT 383 uspace/drv/hid/ps2mouse/ps2mouse.c async_msg_3(exch, MOUSEEV_MOVE_EVENT,
MOUSEEV_MOVE_EVENT 213 uspace/drv/hid/usbhid/mouse/mousedev.c async_msg_3(exch, MOUSEEV_MOVE_EVENT,
MOUSEEV_MOVE_EVENT 126 uspace/srv/hid/input/proto/mousedev.c case MOUSEEV_MOVE_EVENT:
MOUSEEV_MOVE_EVENT 331 uspace/srv/hid/s3c24xx_ts/s3c24xx_ts.c async_msg_2(exch, MOUSEEV_MOVE_EVENT, dx, dy);
HelenOS homepage, sources at GitHub