err_name
const char *err_name,
err_msg = dbus_message_new_error (msg, err_name, err_buf);
err_name(error), error));
err_name(f->uf_lf_err), f->uf_lf_err));
lock_name(&f->uf_lf), err_name(f->uf_lf_err), f->uf_lf_err);
static char *err_name(int);
MINOR((": %s (%d)]\n", err_name(error), error));