HelenOS sources

DEVMAN_ADD_FUNCTION  222 uspace/lib/device/src/devman.c 	aid_t req = async_send_3(exch, DEVMAN_ADD_FUNCTION, (sysarg_t) ftype,
DEVMAN_ADD_FUNCTION  632 uspace/srv/devman/drv_conn.c 		case DEVMAN_ADD_FUNCTION:
HelenOS homepage, sources at GitHub