HelenOS sources

INTERFACE_VFS     323 uspace/lib/c/generic/vfs/vfs.c 		vfs_sess = service_connect_blocking(SERVICE_VFS, INTERFACE_VFS,
INTERFACE_VFS     134 uspace/srv/vfs/vfs.c 	rc = service_register(SERVICE_VFS, INTERFACE_VFS, vfs_connection, NULL);