freebsd11_fts_open
__sym_compat(fts_open, freebsd11_fts_open, FBSD_1.1);
FTS11 *freebsd11_fts_open(char * const *, int,
ftsp = freebsd11_fts_open(paths,
ftsp = freebsd11_fts_open(paths, ftsflags, NULL);