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public c v1 · immutable... nh = nfq_nfnlh(h); fd = nfnl_fd(nh); while ((rv = recv(fd, buf, BUFSIZE, 0)) && (rv >= 0 || errno==EINTR || errno==EAGAIN)) { if(rv>=0) nfq_handle_packet(h, buf, rv); } err_destroy_close: nfq_destroy_queue(qh);err_close: nfq_close(h); return 1;}