HelenOS sources

DEV_FIRST_CUSTOM_METHOD   42 uspace/lib/input/include/ipc/kbdev.h 	KBDEV_YIELD = DEV_FIRST_CUSTOM_METHOD,
DEV_FIRST_CUSTOM_METHOD   43 uspace/lib/input/include/ipc/mouseev.h 	MOUSEEV_YIELD = DEV_FIRST_CUSTOM_METHOD,
HelenOS homepage, sources at GitHub