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	return 0;

    buf->buf = (unsigned char*) refId.data;
    buf->len = (int) refId.len;
    return buf;
}


static Odr_oid *record_syntax(ODR odr, int preferredRecordSyntax)
{
    oident prefsyn;
    int oidbuf[20];		/* more than enough */
    int *oid;

    prefsyn.proto = PROTO_Z3950;
    prefsyn.oclass = CLASS_RECSYN;
    prefsyn.value = (oid_value) preferredRecordSyntax;
    if ((oid = oid_ent_to_oid(&prefsyn, oidbuf)) == 0)
	return 0;

    return odr_oiddup(odr, oid);
}


/*
 * Memory management strategy: every APDU we're asked to allocate
 * obliterates the previous one by overwriting our static ODR buffer,
 * so the caller _must_ ensure that it copies or otherwise consumes