#elif defined(TARGET_GENTOO)

        int r;

        FILE *f;

        assert(hn);

        if (!(f = fopen("/etc/conf.d/hostname", "re")))

                return -errno;

        for (;;) {

                char line[LINE_MAX];

                char *s, *k;

                if (!fgets(line, sizeof(line), f)) {

                        if (feof(f))

                                break;

                        r = -errno;

                        goto finish;

                }

                s = strstrip(line);

                if (!startswith(s, "HOSTNAME=") && !startswith(s, "hostname="))

                        continue;

                if (!(k = strdup(s+9))) {

                        r = -ENOMEM;

                        goto finish;

                }

                if (!(k = delete_chars(k, "\"\'"))) {

                        r = -ENOMEM;	/* is ENOMEM correct here? */

                        goto finish;

                }

                *hn = k;

                break;

        }

        r = 0;

finish:

        fclose(f);

        return r;