SDP_ATTR_OK
vp->flags = SDP_ATTR_OK;
if (values[n].flags != SDP_ATTR_OK)
if (proto.flags != SDP_ATTR_OK)
if (values[i].flags != SDP_ATTR_OK)
if (attr.flags != SDP_ATTR_OK
if (values[n].flags != SDP_ATTR_OK)