rem: rootfs_seek(fs_cookie _fs, fs_vnode _v, file_cookie _cookie, off_t pos, int st)
add: rootfs_seek(fs_volume _fs, fs_vnode _v, fs_cookie _cookie, off_t pos, int st)
context: rootfs_seek(fs_cookie _fs, fs_vnode _v, file_cookie _cookie, off_t pos, int st){	return ESPIPE;}