HelenOS sources

driver_fun_online  361 uspace/lib/drv/generic/driver.c 			driver_fun_online(&call);
driver_fun_online  450 uspace/srv/devman/client_conn.c 	rc = driver_fun_online(&device_tree, fun);
driver_fun_online   56 uspace/srv/devman/driver.h extern errno_t driver_fun_online(dev_tree_t *, fun_node_t *);
HelenOS homepage, sources at GitHub