static void basl_end(struct basl_fio *in, struct basl_fio *out) { basl_close(in); basl_close(out); }
static int basl_start(struct basl_fio *in, struct basl_fio *out) { int err; err = basl_open(in, 0); if (!err) { err = basl_open(out, 1); if (err) { basl_close(in); } } return (err); }