VMMOUSE_PROTO_MAGIC 94 drivers/input/mouse/vmmouse.c "a"(VMMOUSE_PROTO_MAGIC), \ VMMOUSE_PROTO_MAGIC 354 drivers/input/mouse/vmmouse.c response = ~VMMOUSE_PROTO_MAGIC; VMMOUSE_PROTO_MAGIC 356 drivers/input/mouse/vmmouse.c if (response != VMMOUSE_PROTO_MAGIC || version == 0xffffffffU)