CLEANUP: quic: rename frame variables

Rename all frame variables with the suffix _frm. This helps to
differentiate frame instances from other internal objects.

This should be backported up to 2.7.
diff --git a/include/haproxy/quic_conn.h b/include/haproxy/quic_conn.h
index c3e861f..ef1ccf4 100644
--- a/include/haproxy/quic_conn.h
+++ b/include/haproxy/quic_conn.h
@@ -199,13 +199,13 @@
 static inline void quic_connection_id_to_frm_cpy(struct quic_frame *dst,
                                                  struct quic_connection_id *src)
 {
-	struct qf_new_connection_id *to = &dst->new_connection_id;
+	struct qf_new_connection_id *ncid_frm = &dst->new_connection_id;
 
-	to->seq_num = src->seq_num.key;
-	to->retire_prior_to = src->retire_prior_to;
-	to->cid.len = src->cid.len;
-	to->cid.data = src->cid.data;
-	to->stateless_reset_token = src->stateless_reset_token;
+	ncid_frm->seq_num = src->seq_num.key;
+	ncid_frm->retire_prior_to = src->retire_prior_to;
+	ncid_frm->cid.len = src->cid.len;
+	ncid_frm->cid.data = src->cid.data;
+	ncid_frm->stateless_reset_token = src->stateless_reset_token;
 }
 
 /* Return a 32-bits integer in <val> from QUIC packet with <buf> as address.
diff --git a/include/haproxy/quic_frame.h b/include/haproxy/quic_frame.h
index d689655..e63cb21 100644
--- a/include/haproxy/quic_frame.h
+++ b/include/haproxy/quic_frame.h
@@ -278,18 +278,18 @@
 /* Move forward <strm> STREAM frame by <data> bytes. */
 static inline void qc_stream_frm_mv_fwd(struct quic_frame *frm, uint64_t data)
 {
-	struct qf_stream *strm = &frm->stream;
+	struct qf_stream *strm_frm = &frm->stream;
 	struct buffer cf_buf;
 
 	/* Set offset bit if not already there. */
-	strm->offset.key += data;
+	strm_frm->offset.key += data;
 	frm->type |= QUIC_STREAM_FRAME_TYPE_OFF_BIT;
 
-	strm->len -= data;
-	cf_buf = b_make(b_orig(strm->buf),
-	                b_size(strm->buf),
-	                (char *)strm->data - b_orig(strm->buf), 0);
-	strm->data = (unsigned char *)b_peek(&cf_buf, data);
+	strm_frm->len -= data;
+	cf_buf = b_make(b_orig(strm_frm->buf),
+	                b_size(strm_frm->buf),
+	                (char *)strm_frm->data - b_orig(strm_frm->buf), 0);
+	strm_frm->data = (unsigned char *)b_peek(&cf_buf, data);
 }
 
 #endif /* USE_QUIC */
diff --git a/src/quic_conn.c b/src/quic_conn.c
index 693b32a..6f885ba 100644
--- a/src/quic_conn.c
+++ b/src/quic_conn.c
@@ -576,11 +576,11 @@
 		}
 
 		if (mask & QUIC_EV_CONN_ACKSTRM) {
-			const struct qf_stream *s = a2;
+			const struct qf_stream *strm_frm = a2;
 			const struct qc_stream_desc *stream = a3;
 
-			if (s)
-				chunk_appendf(&trace_buf, " off=%llu len=%llu", (ull)s->offset.key, (ull)s->len);
+			if (strm_frm)
+				chunk_appendf(&trace_buf, " off=%llu len=%llu", (ull)strm_frm->offset.key, (ull)strm_frm->len);
 			if (stream)
 				chunk_appendf(&trace_buf, " ack_offset=%llu", (ull)stream->ack_offset);
 		}
@@ -1737,13 +1737,13 @@
 	ret = 0;
 	frm_node = eb64_first(&stream->acked_frms);
 	while (frm_node) {
-		struct qf_stream *strm;
+		struct qf_stream *strm_frm;
 		struct quic_frame *frm;
 		size_t offset, len;
 
-		strm = eb64_entry(frm_node, struct qf_stream, offset);
-		offset = strm->offset.key;
-		len = strm->len;
+		strm_frm = eb64_entry(frm_node, struct qf_stream, offset);
+		offset = strm_frm->offset.key;
+		len = strm_frm->len;
 
 		if (offset > stream->ack_offset)
 			break;
@@ -1751,7 +1751,7 @@
 		if (qc_stream_desc_ack(&stream, offset, len)) {
 			/* cf. next comment : frame may be freed at this stage. */
 			TRACE_DEVEL("stream consumed", QUIC_EV_CONN_ACKSTRM,
-			            qc, stream ? strm : NULL, stream);
+			            qc, stream ? strm_frm : NULL, stream);
 			ret = 1;
 		}
 
@@ -1766,9 +1766,9 @@
 		}
 
 		frm_node = eb64_next(frm_node);
-		eb64_delete(&strm->offset);
+		eb64_delete(&strm_frm->offset);
 
-		frm = container_of(strm, struct quic_frame, stream);
+		frm = container_of(strm_frm, struct quic_frame, stream);
 		qc_release_frm(qc, frm);
 	}
 
@@ -2209,7 +2209,7 @@
                                    unsigned int *rtt_sample,
                                    const unsigned char **pos, const unsigned char *end)
 {
-	struct qf_ack *ack = &frm->ack;
+	struct qf_ack *ack_frm = &frm->ack;
 	uint64_t smallest, largest;
 	struct eb_root *pkts;
 	struct eb64_node *largest_node;
@@ -2220,26 +2220,26 @@
 
 	TRACE_ENTER(QUIC_EV_CONN_PRSAFRM, qc);
 
-	if (ack->largest_ack > qel->pktns->tx.next_pn) {
+	if (ack_frm->largest_ack > qel->pktns->tx.next_pn) {
 		TRACE_DEVEL("ACK for not sent packet", QUIC_EV_CONN_PRSAFRM,
-		            qc, NULL, &ack->largest_ack);
+		            qc, NULL, &ack_frm->largest_ack);
 		goto err;
 	}
 
-	if (ack->first_ack_range > ack->largest_ack) {
+	if (ack_frm->first_ack_range > ack_frm->largest_ack) {
 		TRACE_DEVEL("too big first ACK range", QUIC_EV_CONN_PRSAFRM,
-		            qc, NULL, &ack->first_ack_range);
+		            qc, NULL, &ack_frm->first_ack_range);
 		goto err;
 	}
 
-	largest = ack->largest_ack;
-	smallest = largest - ack->first_ack_range;
+	largest = ack_frm->largest_ack;
+	smallest = largest - ack_frm->first_ack_range;
 	pkts = &qel->pktns->tx.pkts;
 	pkt_flags = 0;
 	largest_node = NULL;
 	time_sent = 0;
 
-	if ((int64_t)ack->largest_ack > qel->pktns->rx.largest_acked_pn) {
+	if ((int64_t)ack_frm->largest_ack > qel->pktns->rx.largest_acked_pn) {
 		largest_node = eb64_lookup(pkts, largest);
 		if (!largest_node) {
 			TRACE_DEVEL("Largest acked packet not found",
@@ -2258,7 +2258,7 @@
 
 		qc_ackrng_pkts(qc, pkts, &pkt_flags, &newly_acked_pkts,
 		               largest_node, largest, smallest);
-		if (!ack->ack_range_num--)
+		if (!ack_frm->ack_range_num--)
 			break;
 
 		if (!quic_dec_int(&gap, pos, end)) {
@@ -2295,7 +2295,7 @@
 
 	if (time_sent && (pkt_flags & QUIC_FL_TX_PACKET_ACK_ELICITING)) {
 		*rtt_sample = tick_remain(time_sent, now_ms);
-		qel->pktns->rx.largest_acked_pn = ack->largest_ack;
+		qel->pktns->rx.largest_acked_pn = ack_frm->largest_ack;
 	}
 
 	if (!LIST_ISEMPTY(&newly_acked_pkts)) {
@@ -2903,15 +2903,15 @@
  * CRYPTO data.
  */
 static int qc_handle_crypto_frm(struct quic_conn *qc,
-                                struct qf_crypto *frm, struct quic_rx_packet *pkt,
+                                struct qf_crypto *crypto_frm, struct quic_rx_packet *pkt,
                                 struct quic_enc_level *qel, int *fast_retrans)
 {
 	int ret = 0;
 	enum ncb_ret ncb_ret;
 	/* XXX TO DO: <cfdebug> is used only for the traces. */
 	struct quic_rx_crypto_frm cfdebug = {
-		.offset_node.key = frm->offset,
-		.len = frm->len,
+		.offset_node.key = crypto_frm->offset,
+		.len = crypto_frm->len,
 	};
 	struct quic_cstream *cstream = qel->cstream;
 	struct ncbuf *ncbuf = &qel->cstream->rx.ncbuf;
@@ -2923,10 +2923,10 @@
 		goto done;
 	}
 
-	if (unlikely(frm->offset < cstream->rx.offset)) {
+	if (unlikely(crypto_frm->offset < cstream->rx.offset)) {
 		size_t diff;
 
-		if (frm->offset + frm->len <= cstream->rx.offset) {
+		if (crypto_frm->offset + crypto_frm->len <= cstream->rx.offset) {
 			/* Nothing to do */
 			TRACE_PROTO("Already received CRYPTO data",
 						QUIC_EV_CONN_RXPKT, qc, pkt, &cfdebug);
@@ -2939,20 +2939,20 @@
 		TRACE_PROTO("Partially already received CRYPTO data",
 		            QUIC_EV_CONN_RXPKT, qc, pkt, &cfdebug);
 
-		diff = cstream->rx.offset - frm->offset;
-		frm->len -= diff;
-		frm->data += diff;
-		frm->offset = cstream->rx.offset;
+		diff = cstream->rx.offset - crypto_frm->offset;
+		crypto_frm->len -= diff;
+		crypto_frm->data += diff;
+		crypto_frm->offset = cstream->rx.offset;
 	}
 
-	if (frm->offset == cstream->rx.offset && ncb_is_empty(ncbuf)) {
-		if (!qc_provide_cdata(qel, qc->xprt_ctx, frm->data, frm->len,
+	if (crypto_frm->offset == cstream->rx.offset && ncb_is_empty(ncbuf)) {
+		if (!qc_provide_cdata(qel, qc->xprt_ctx, crypto_frm->data, crypto_frm->len,
 		                      pkt, &cfdebug)) {
 			// trace already emitted by function above
 			goto leave;
 		}
 
-		cstream->rx.offset += frm->len;
+		cstream->rx.offset += crypto_frm->len;
 		TRACE_DEVEL("increment crypto level offset", QUIC_EV_CONN_PHPKTS, qc, qel);
 		goto done;
 	}
@@ -2963,9 +2963,9 @@
 		goto leave;
 	}
 
-	/* frm->offset > cstream-trx.offset */
-	ncb_ret = ncb_add(ncbuf, frm->offset - cstream->rx.offset,
-	                  (const char *)frm->data, frm->len, NCB_ADD_COMPARE);
+	/* crypto_frm->offset > cstream-trx.offset */
+	ncb_ret = ncb_add(ncbuf, crypto_frm->offset - cstream->rx.offset,
+	                  (const char *)crypto_frm->data, crypto_frm->len, NCB_ADD_COMPARE);
 	if (ncb_ret != NCB_RET_OK) {
 		if (ncb_ret == NCB_RET_DATA_REJ) {
 			TRACE_ERROR("overlapping data rejected", QUIC_EV_CONN_PRSHPKT, qc);
@@ -3024,7 +3024,7 @@
                                               struct quic_connection_id **to_retire)
 {
 	int ret = 0;
-	struct qf_retire_connection_id *rcid = &frm->retire_connection_id;
+	struct qf_retire_connection_id *rcid_frm = &frm->retire_connection_id;
 	struct eb64_node *node;
 	struct quic_connection_id *conn_id;
 
@@ -3035,7 +3035,7 @@
 	 * than any previously sent to the peer MUST be treated as a connection error
 	 * of type PROTOCOL_VIOLATION.
 	 */
-	if (rcid->seq_num >= qc->next_cid_seq_num) {
+	if (rcid_frm->seq_num >= qc->next_cid_seq_num) {
 		TRACE_PROTO("CID seq. number too big", QUIC_EV_CONN_PSTRM, qc, frm);
 		goto protocol_violation;
 	}
@@ -3045,7 +3045,7 @@
 	 * the Destination Connection ID field of the packet in which the frame is contained.
 	 * The peer MAY treat this as a connection error of type PROTOCOL_VIOLATION.
 	 */
-	node = eb64_lookup(&qc->cids, rcid->seq_num);
+	node = eb64_lookup(&qc->cids, rcid_frm->seq_num);
 	if (!node) {
 		TRACE_PROTO("CID already retired", QUIC_EV_CONN_PSTRM, qc, frm);
 		goto out;
@@ -3154,16 +3154,16 @@
 		}
 		case QUIC_FT_RESET_STREAM:
 			if (qc->mux_state == QC_MUX_READY) {
-				struct qf_reset_stream *rs = &frm.reset_stream;
-				qcc_recv_reset_stream(qc->qcc, rs->id, rs->app_error_code, rs->final_size);
+				struct qf_reset_stream *rs_frm = &frm.reset_stream;
+				qcc_recv_reset_stream(qc->qcc, rs_frm->id, rs_frm->app_error_code, rs_frm->final_size);
 			}
 			break;
 		case QUIC_FT_STOP_SENDING:
 		{
-			struct qf_stop_sending *stop_sending = &frm.stop_sending;
+			struct qf_stop_sending *ss_frm = &frm.stop_sending;
 			if (qc->mux_state == QC_MUX_READY) {
-				if (qcc_recv_stop_sending(qc->qcc, stop_sending->id,
-				                          stop_sending->app_error_code)) {
+				if (qcc_recv_stop_sending(qc->qcc, ss_frm->id,
+				                          ss_frm->app_error_code)) {
 					TRACE_ERROR("qcc_recv_stop_sending() failed", QUIC_EV_CONN_PRSHPKT, qc);
 					goto leave;
 				}
@@ -3176,19 +3176,19 @@
 			break;
 		case QUIC_FT_STREAM_8 ... QUIC_FT_STREAM_F:
 		{
-			struct qf_stream *stream = &frm.stream;
-			unsigned nb_streams = qc->rx.strms[qcs_id_type(stream->id)].nb_streams;
+			struct qf_stream *strm_frm = &frm.stream;
+			unsigned nb_streams = qc->rx.strms[qcs_id_type(strm_frm->id)].nb_streams;
 			const char fin = frm.type & QUIC_STREAM_FRAME_TYPE_FIN_BIT;
 
 			/* The upper layer may not be allocated. */
 			if (qc->mux_state != QC_MUX_READY) {
-				if ((stream->id >> QCS_ID_TYPE_SHIFT) < nb_streams) {
+				if ((strm_frm->id >> QCS_ID_TYPE_SHIFT) < nb_streams) {
 					TRACE_DATA("Already closed stream", QUIC_EV_CONN_PRSHPKT, qc);
 				}
 				else {
 					TRACE_DEVEL("No mux for new stream", QUIC_EV_CONN_PRSHPKT, qc);
 					if (qc->app_ops == &h3_ops) {
-						if (!qc_h3_request_reject(qc, stream->id)) {
+						if (!qc_h3_request_reject(qc, strm_frm->id)) {
 							TRACE_ERROR("error on request rejection", QUIC_EV_CONN_PRSHPKT, qc);
 							/* This packet will not be acknowledged */
 							goto leave;
@@ -3203,7 +3203,7 @@
 				break;
 			}
 
-			if (!qc_handle_strm_frm(pkt, stream, qc, fin)) {
+			if (!qc_handle_strm_frm(pkt, strm_frm, qc, fin)) {
 				TRACE_ERROR("qc_handle_strm_frm() failed", QUIC_EV_CONN_PRSHPKT, qc);
 				goto leave;
 			}
@@ -3212,15 +3212,15 @@
 		}
 		case QUIC_FT_MAX_DATA:
 			if (qc->mux_state == QC_MUX_READY) {
-				struct qf_max_data *data = &frm.max_data;
-				qcc_recv_max_data(qc->qcc, data->max_data);
+				struct qf_max_data *md_frm = &frm.max_data;
+				qcc_recv_max_data(qc->qcc, md_frm->max_data);
 			}
 			break;
 		case QUIC_FT_MAX_STREAM_DATA:
 			if (qc->mux_state == QC_MUX_READY) {
-				struct qf_max_stream_data *data = &frm.max_stream_data;
-				if (qcc_recv_max_stream_data(qc->qcc, data->id,
-				                              data->max_stream_data)) {
+				struct qf_max_stream_data *msd_frm = &frm.max_stream_data;
+				if (qcc_recv_max_stream_data(qc->qcc, msd_frm->id,
+				                              msd_frm->max_stream_data)) {
 					TRACE_ERROR("qcc_recv_max_stream_data() failed", QUIC_EV_CONN_PRSHPKT, qc);
 					goto leave;
 				}
@@ -7557,13 +7557,13 @@
 			if (cf->stream.dup) {
 				struct eb64_node *node = NULL;
 				struct qc_stream_desc *stream_desc = NULL;
-				struct qf_stream *strm = &cf->stream;
+				struct qf_stream *strm_frm = &cf->stream;
 
 				/* As this frame has been already lost, ensure the stream is always
 				 * available or the range of this frame is not consumed before
 				 * resending it.
 				 */
-				node = eb64_lookup(&qc->streams_by_id, strm->id);
+				node = eb64_lookup(&qc->streams_by_id, strm_frm->id);
 				if (!node) {
 					TRACE_DEVEL("released stream", QUIC_EV_CONN_PRSAFRM, qc, cf);
 					qc_frm_free(&cf);
@@ -7571,14 +7571,14 @@
 				}
 
 				stream_desc = eb64_entry(node, struct qc_stream_desc, by_id);
-				if (strm->offset.key + strm->len <= stream_desc->ack_offset) {
+				if (strm_frm->offset.key + strm_frm->len <= stream_desc->ack_offset) {
 					TRACE_DEVEL("ignored frame frame in already acked range",
 					            QUIC_EV_CONN_PRSAFRM, qc, cf);
 					qc_frm_free(&cf);
 					continue;
 				}
-				else if (strm->offset.key < stream_desc->ack_offset) {
-					uint64_t diff = stream_desc->ack_offset - strm->offset.key;
+				else if (strm_frm->offset.key < stream_desc->ack_offset) {
+					uint64_t diff = stream_desc->ack_offset - strm_frm->offset.key;
 
 					qc_stream_frm_mv_fwd(cf, diff);
 					TRACE_DEVEL("updated partially acked frame",
diff --git a/src/quic_frame.c b/src/quic_frame.c
index 1f98d30..9cf5214 100644
--- a/src/quic_frame.c
+++ b/src/quic_frame.c
@@ -109,111 +109,111 @@
 	switch (frm->type) {
 	case QUIC_FT_CRYPTO:
 	{
-		const struct qf_crypto *cf = &frm->crypto;
+		const struct qf_crypto *crypto_frm = &frm->crypto;
 		chunk_appendf(buf, " cfoff=%llu cflen=%llu",
-		              (ull)cf->offset, (ull)cf->len);
+		              (ull)crypto_frm->offset, (ull)crypto_frm->len);
 		break;
 	}
 	case QUIC_FT_RESET_STREAM:
 	{
-		const struct qf_reset_stream *rs = &frm->reset_stream;
+		const struct qf_reset_stream *rs_frm = &frm->reset_stream;
 		chunk_appendf(buf, " id=%llu app_error_code=%llu final_size=%llu",
-		              (ull)rs->id, (ull)rs->app_error_code, (ull)rs->final_size);
+		              (ull)rs_frm->id, (ull)rs_frm->app_error_code, (ull)rs_frm->final_size);
 		break;
 	}
 	case QUIC_FT_STOP_SENDING:
 	{
-		const struct qf_stop_sending *s = &frm->stop_sending;
+		const struct qf_stop_sending *ss_frm = &frm->stop_sending;
 		chunk_appendf(&trace_buf, " id=%llu app_error_code=%llu",
-		              (ull)s->id, (ull)s->app_error_code);
+		              (ull)ss_frm->id, (ull)ss_frm->app_error_code);
 		break;
 	}
 	case QUIC_FT_STREAM_8 ... QUIC_FT_STREAM_F:
 	{
-		const struct qf_stream *s = &frm->stream;
+		const struct qf_stream *strm_frm = &frm->stream;
 		chunk_appendf(&trace_buf, " uni=%d fin=%d id=%llu off=%llu len=%llu",
-		              !!(s->id & QUIC_STREAM_FRAME_ID_DIR_BIT),
+		              !!(strm_frm->id & QUIC_STREAM_FRAME_ID_DIR_BIT),
 		              !!(frm->type & QUIC_STREAM_FRAME_TYPE_FIN_BIT),
-		              (ull)s->id, (ull)s->offset.key, (ull)s->len);
+		              (ull)strm_frm->id, (ull)strm_frm->offset.key, (ull)strm_frm->len);
 		break;
 	}
 	case QUIC_FT_MAX_DATA:
 	{
-		const struct qf_max_data *s = &frm->max_data;
-		chunk_appendf(&trace_buf, " max_data=%llu", (ull)s->max_data);
+		const struct qf_max_data *md_frm = &frm->max_data;
+		chunk_appendf(&trace_buf, " max_data=%llu", (ull)md_frm->max_data);
 		break;
 	}
 	case QUIC_FT_MAX_STREAM_DATA:
 	{
-		const struct qf_max_stream_data *s = &frm->max_stream_data;
+		const struct qf_max_stream_data *msd_frm = &frm->max_stream_data;
 		chunk_appendf(&trace_buf, " id=%llu max_stream_data=%llu",
-		              (ull)s->id, (ull)s->max_stream_data);
+		              (ull)msd_frm->id, (ull)msd_frm->max_stream_data);
 		break;
 	}
 	case QUIC_FT_MAX_STREAMS_BIDI:
 	{
-		const struct qf_max_streams *s = &frm->max_streams_bidi;
-		chunk_appendf(&trace_buf, " max_streams=%llu", (ull)s->max_streams);
+		const struct qf_max_streams *ms_frm = &frm->max_streams_bidi;
+		chunk_appendf(&trace_buf, " max_streams=%llu", (ull)ms_frm->max_streams);
 		break;
 	}
 	case QUIC_FT_MAX_STREAMS_UNI:
 	{
-		const struct qf_max_streams *s = &frm->max_streams_uni;
-		chunk_appendf(&trace_buf, " max_streams=%llu", (ull)s->max_streams);
+		const struct qf_max_streams *ms_frm = &frm->max_streams_uni;
+		chunk_appendf(&trace_buf, " max_streams=%llu", (ull)ms_frm->max_streams);
 		break;
 	}
 	case QUIC_FT_DATA_BLOCKED:
 	{
-		const struct qf_data_blocked *s = &frm->data_blocked;
-		chunk_appendf(&trace_buf, " limit=%llu", (ull)s->limit);
+		const struct qf_data_blocked *db_frm = &frm->data_blocked;
+		chunk_appendf(&trace_buf, " limit=%llu", (ull)db_frm->limit);
 		break;
 	}
 	case QUIC_FT_STREAM_DATA_BLOCKED:
 	{
-		const struct qf_stream_data_blocked *s = &frm->stream_data_blocked;
+		const struct qf_stream_data_blocked *sdb_frm = &frm->stream_data_blocked;
 		chunk_appendf(&trace_buf, " id=%llu limit=%llu",
-		              (ull)s->id, (ull)s->limit);
+		              (ull)sdb_frm->id, (ull)sdb_frm->limit);
 		break;
 	}
 	case QUIC_FT_STREAMS_BLOCKED_BIDI:
 	{
-		const struct qf_streams_blocked *s = &frm->streams_blocked_bidi;
-		chunk_appendf(&trace_buf, " limit=%llu", (ull)s->limit);
+		const struct qf_streams_blocked *sb_frm = &frm->streams_blocked_bidi;
+		chunk_appendf(&trace_buf, " limit=%llu", (ull)sb_frm->limit);
 		break;
 	}
 	case QUIC_FT_STREAMS_BLOCKED_UNI:
 	{
-		const struct qf_streams_blocked *s = &frm->streams_blocked_uni;
-		chunk_appendf(&trace_buf, " limit=%llu", (ull)s->limit);
+		const struct qf_streams_blocked *sb_frm = &frm->streams_blocked_uni;
+		chunk_appendf(&trace_buf, " limit=%llu", (ull)sb_frm->limit);
 		break;
 	}
 	case QUIC_FT_RETIRE_CONNECTION_ID:
 	{
-		const struct qf_retire_connection_id *rci = &frm->retire_connection_id;
-		chunk_appendf(&trace_buf, " seq_num=%llu", (ull)rci->seq_num);
+		const struct qf_retire_connection_id *rcid_frm = &frm->retire_connection_id;
+		chunk_appendf(&trace_buf, " seq_num=%llu", (ull)rcid_frm->seq_num);
 		break;
 	}
 	case QUIC_FT_CONNECTION_CLOSE:
 	{
-		const struct qf_connection_close *cc = &frm->connection_close;
-		size_t plen = QUIC_MIN((size_t)cc->reason_phrase_len, sizeof cc->reason_phrase);
+		const struct qf_connection_close *cc_frm = &frm->connection_close;
+		size_t plen = QUIC_MIN((size_t)cc_frm->reason_phrase_len, sizeof cc_frm->reason_phrase);
 		chunk_appendf(&trace_buf,
 		              " error_code=%llu frame_type=%llu reason_phrase_len=%llu",
-		              (ull)cc->error_code, (ull)cc->frame_type,
-		              (ull)cc->reason_phrase_len);
+		              (ull)cc_frm->error_code, (ull)cc_frm->frame_type,
+		              (ull)cc_frm->reason_phrase_len);
 		if (plen)
-			chunk_cc_phrase_appendf(&trace_buf, cc->reason_phrase, plen);
+			chunk_cc_phrase_appendf(&trace_buf, cc_frm->reason_phrase, plen);
 		break;
 	}
 	case QUIC_FT_CONNECTION_CLOSE_APP:
 	{
-		const struct qf_connection_close_app *cc = &frm->connection_close_app;
-		size_t plen = QUIC_MIN((size_t)cc->reason_phrase_len, sizeof cc->reason_phrase);
+		const struct qf_connection_close_app *cc_frm = &frm->connection_close_app;
+		size_t plen = QUIC_MIN((size_t)cc_frm->reason_phrase_len, sizeof cc_frm->reason_phrase);
 		chunk_appendf(&trace_buf,
 		              " error_code=%llu reason_phrase_len=%llu",
-		              (ull)cc->error_code, (ull)cc->reason_phrase_len);
+		              (ull)cc_frm->error_code, (ull)cc_frm->reason_phrase_len);
 		if (plen)
-			chunk_cc_phrase_appendf(&trace_buf, cc->reason_phrase, plen);
+			chunk_cc_phrase_appendf(&trace_buf, cc_frm->reason_phrase, plen);
 		break;
 	}
 	}
@@ -225,13 +225,13 @@
 static int quic_build_padding_frame(unsigned char **buf, const unsigned char *end,
                                     struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_padding *padding = &frm->padding;
+	struct qf_padding *padding_frm = &frm->padding;
 
-	if (end - *buf < padding->len - 1)
+	if (end - *buf < padding_frm->len - 1)
 		return 0;
 
-	memset(*buf, 0, padding->len - 1);
-	*buf += padding->len - 1;
+	memset(*buf, 0, padding_frm->len - 1);
+	*buf += padding_frm->len - 1;
 
 	return 1;
 }
@@ -243,13 +243,13 @@
                                     const unsigned char **buf, const unsigned char *end)
 {
 	const unsigned char *beg;
-	struct qf_padding *padding = &frm->padding;
+	struct qf_padding *padding_frm = &frm->padding;
 
 	beg = *buf;
-	padding->len = 1;
+	padding_frm->len = 1;
 	while (*buf < end && !**buf)
 		(*buf)++;
-	padding->len += *buf - beg;
+	padding_frm->len += *buf - beg;
 
 	return 1;
 }
@@ -280,17 +280,17 @@
 static int quic_build_ack_frame(unsigned char **buf, const unsigned char *end,
                                 struct quic_frame *frm, struct quic_conn *qc)
 {
-	struct qf_tx_ack *tx_ack = &frm->tx_ack;
+	struct qf_tx_ack *ack_frm = &frm->tx_ack;
 	struct eb64_node *ar, *prev_ar;
 	struct quic_arng_node *ar_node, *prev_ar_node;
 
-	ar = eb64_last(&tx_ack->arngs->root);
+	ar = eb64_last(&ack_frm->arngs->root);
 	ar_node = eb64_entry(ar, struct quic_arng_node, first);
 	TRACE_PROTO("TX ack range", QUIC_EV_CONN_PRSAFRM,
 	            qc,, &ar_node->last, &ar_node->first.key);
 	if (!quic_enc_int(buf, end, ar_node->last) ||
-	    !quic_enc_int(buf, end, tx_ack->ack_delay) ||
-	    !quic_enc_int(buf, end, tx_ack->arngs->sz - 1) ||
+	    !quic_enc_int(buf, end, ack_frm->ack_delay) ||
+	    !quic_enc_int(buf, end, ack_frm->arngs->sz - 1) ||
 	    !quic_enc_int(buf, end, ar_node->last - ar_node->first.key))
 		return 0;
 
@@ -316,21 +316,21 @@
                                        const unsigned char **buf, const unsigned char *end)
 {
 	int ret;
-	struct qf_ack *ack = &frm->ack;
+	struct qf_ack *ack_frm = &frm->ack;
 
-	ret = quic_dec_int(&ack->largest_ack, buf, end);
+	ret = quic_dec_int(&ack_frm->largest_ack, buf, end);
 	if (!ret)
 		return 0;
 
-	ret = quic_dec_int(&ack->ack_delay, buf, end);
+	ret = quic_dec_int(&ack_frm->ack_delay, buf, end);
 	if (!ret)
 		return 0;
 
-	ret = quic_dec_int(&ack->ack_range_num, buf, end);
+	ret = quic_dec_int(&ack_frm->ack_range_num, buf, end);
 	if (!ret)
 		return 0;
 
-	ret = quic_dec_int(&ack->first_ack_range, buf, end);
+	ret = quic_dec_int(&ack_frm->first_ack_range, buf, end);
 	if (!ret)
 		return 0;
 
@@ -343,12 +343,12 @@
 static int quic_build_ack_ecn_frame(unsigned char **buf, const unsigned char *end,
                                     struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_ack *ack = &frm->ack;
+	struct qf_ack *ack_frm = &frm->ack;
 
-	return quic_enc_int(buf, end, ack->largest_ack) &&
-		quic_enc_int(buf, end, ack->ack_delay) &&
-		quic_enc_int(buf, end, ack->first_ack_range) &&
-		quic_enc_int(buf, end, ack->ack_range_num);
+	return quic_enc_int(buf, end, ack_frm->largest_ack) &&
+		quic_enc_int(buf, end, ack_frm->ack_delay) &&
+		quic_enc_int(buf, end, ack_frm->first_ack_range) &&
+		quic_enc_int(buf, end, ack_frm->ack_range_num);
 }
 
 /* Parse an ACK_ECN frame from <buf> buffer with <end> as end into <frm> frame.
@@ -357,12 +357,12 @@
 static int quic_parse_ack_ecn_frame(struct quic_frame *frm, struct quic_conn *qc,
                                     const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_ack *ack = &frm->ack;
+	struct qf_ack *ack_frm = &frm->ack;
 
-	return quic_dec_int(&ack->largest_ack, buf, end) &&
-		quic_dec_int(&ack->ack_delay, buf, end) &&
-		quic_dec_int(&ack->first_ack_range, buf, end) &&
-		quic_dec_int(&ack->ack_range_num, buf, end);
+	return quic_dec_int(&ack_frm->largest_ack, buf, end) &&
+		quic_dec_int(&ack_frm->ack_delay, buf, end) &&
+		quic_dec_int(&ack_frm->first_ack_range, buf, end) &&
+		quic_dec_int(&ack_frm->ack_range_num, buf, end);
 }
 
 /* Encode a RESET_STREAM frame into <buf> buffer.
@@ -371,11 +371,11 @@
 static int quic_build_reset_stream_frame(unsigned char **buf, const unsigned char *end,
                                          struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_reset_stream *reset_stream = &frm->reset_stream;
+	struct qf_reset_stream *rs_frm = &frm->reset_stream;
 
-	return quic_enc_int(buf, end, reset_stream->id) &&
-		quic_enc_int(buf, end, reset_stream->app_error_code) &&
-		quic_enc_int(buf, end, reset_stream->final_size);
+	return quic_enc_int(buf, end, rs_frm->id) &&
+		quic_enc_int(buf, end, rs_frm->app_error_code) &&
+		quic_enc_int(buf, end, rs_frm->final_size);
 }
 
 /* Parse a RESET_STREAM frame from <buf> buffer with <end> as end into <frm> frame.
@@ -384,11 +384,11 @@
 static int quic_parse_reset_stream_frame(struct quic_frame *frm, struct quic_conn *qc,
                                          const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_reset_stream *reset_stream = &frm->reset_stream;
+	struct qf_reset_stream *rs_frm = &frm->reset_stream;
 
-	return quic_dec_int(&reset_stream->id, buf, end) &&
-		quic_dec_int(&reset_stream->app_error_code, buf, end) &&
-		quic_dec_int(&reset_stream->final_size, buf, end);
+	return quic_dec_int(&rs_frm->id, buf, end) &&
+		quic_dec_int(&rs_frm->app_error_code, buf, end) &&
+		quic_dec_int(&rs_frm->final_size, buf, end);
 }
 
 /* Encode a STOP_SENDING frame.
@@ -397,10 +397,10 @@
 static int quic_build_stop_sending_frame(unsigned char **buf, const unsigned char *end,
                                          struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_stop_sending *stop_sending = &frm->stop_sending;
+	struct qf_stop_sending *ss_frm = &frm->stop_sending;
 
-	return quic_enc_int(buf, end, stop_sending->id) &&
-		quic_enc_int(buf, end, stop_sending->app_error_code);
+	return quic_enc_int(buf, end, ss_frm->id) &&
+		quic_enc_int(buf, end, ss_frm->app_error_code);
 }
 
 /* Parse a STOP_SENDING frame from <buf> buffer with <end> as end into <frm> frame.
@@ -409,10 +409,10 @@
 static int quic_parse_stop_sending_frame(struct quic_frame *frm, struct quic_conn *qc,
                                          const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_stop_sending *stop_sending = &frm->stop_sending;
+	struct qf_stop_sending *ss_frm = &frm->stop_sending;
 
-	return quic_dec_int(&stop_sending->id, buf, end) &&
-		quic_dec_int(&stop_sending->app_error_code, buf, end);
+	return quic_dec_int(&ss_frm->id, buf, end) &&
+		quic_dec_int(&ss_frm->app_error_code, buf, end);
 }
 
 /* Encode a CRYPTO frame into <buf> buffer.
@@ -421,16 +421,16 @@
 static int quic_build_crypto_frame(unsigned char **buf, const unsigned char *end,
                                    struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_crypto *crypto = &frm->crypto;
-	const struct quic_enc_level *qel = crypto->qel;
+	struct qf_crypto *crypto_frm = &frm->crypto;
+	const struct quic_enc_level *qel = crypto_frm->qel;
 	size_t offset, len;
 
-	if (!quic_enc_int(buf, end, crypto->offset) ||
-	    !quic_enc_int(buf, end, crypto->len) || end - *buf < crypto->len)
+	if (!quic_enc_int(buf, end, crypto_frm->offset) ||
+	    !quic_enc_int(buf, end, crypto_frm->len) || end - *buf < crypto_frm->len)
 		return 0;
 
-	len = crypto->len;
-	offset = crypto->offset;
+	len = crypto_frm->len;
+	offset = crypto_frm->offset;
 	while (len) {
 		int idx;
 		size_t to_copy;
@@ -456,14 +456,14 @@
 static int quic_parse_crypto_frame(struct quic_frame *frm, struct quic_conn *qc,
                                    const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_crypto *crypto = &frm->crypto;
+	struct qf_crypto *crypto_frm = &frm->crypto;
 
-	if (!quic_dec_int(&crypto->offset, buf, end) ||
-	    !quic_dec_int(&crypto->len, buf, end) || end - *buf < crypto->len)
+	if (!quic_dec_int(&crypto_frm->offset, buf, end) ||
+	    !quic_dec_int(&crypto_frm->len, buf, end) || end - *buf < crypto_frm->len)
 		return 0;
 
-	crypto->data = *buf;
-	*buf += crypto->len;
+	crypto_frm->data = *buf;
+	*buf += crypto_frm->len;
 
 	return 1;
 }
@@ -474,12 +474,12 @@
 static int quic_build_new_token_frame(unsigned char **buf, const unsigned char *end,
                                       struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_new_token *new_token = &frm->new_token;
+	struct qf_new_token *new_token_frm = &frm->new_token;
 
-	if (!quic_enc_int(buf, end, new_token->len) || end - *buf < new_token->len)
+	if (!quic_enc_int(buf, end, new_token_frm->len) || end - *buf < new_token_frm->len)
 		return 0;
 
-	memcpy(*buf, new_token->data, new_token->len);
+	memcpy(*buf, new_token_frm->data, new_token_frm->len);
 
 	return 1;
 }
@@ -490,13 +490,13 @@
 static int quic_parse_new_token_frame(struct quic_frame *frm, struct quic_conn *qc,
                                       const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_new_token *new_token = &frm->new_token;
+	struct qf_new_token *new_token_frm = &frm->new_token;
 
-	if (!quic_dec_int(&new_token->len, buf, end) || end - *buf < new_token->len)
+	if (!quic_dec_int(&new_token_frm->len, buf, end) || end - *buf < new_token_frm->len)
 		return 0;
 
-	new_token->data = *buf;
-	*buf += new_token->len;
+	new_token_frm->data = *buf;
+	*buf += new_token_frm->len;
 
 	return 1;
 }
@@ -507,32 +507,32 @@
 static int quic_build_stream_frame(unsigned char **buf, const unsigned char *end,
                                    struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_stream *stream = &frm->stream;
+	struct qf_stream *strm_frm = &frm->stream;
 	const unsigned char *wrap;
 
 	/* Caller must set OFF bit if and only if a non-null offset is used. */
 	BUG_ON(!!(frm->type & QUIC_STREAM_FRAME_TYPE_OFF_BIT) !=
-	       !!stream->offset.key);
+	       !!strm_frm->offset.key);
 
-	if (!quic_enc_int(buf, end, stream->id) ||
-	    ((frm->type & QUIC_STREAM_FRAME_TYPE_OFF_BIT) && !quic_enc_int(buf, end, stream->offset.key)) ||
+	if (!quic_enc_int(buf, end, strm_frm->id) ||
+	    ((frm->type & QUIC_STREAM_FRAME_TYPE_OFF_BIT) && !quic_enc_int(buf, end, strm_frm->offset.key)) ||
 	    ((frm->type & QUIC_STREAM_FRAME_TYPE_LEN_BIT) &&
-	     (!quic_enc_int(buf, end, stream->len) || end - *buf < stream->len)))
+	     (!quic_enc_int(buf, end, strm_frm->len) || end - *buf < strm_frm->len)))
 		return 0;
 
-	wrap = (const unsigned char *)b_wrap(stream->buf);
-	if (stream->data + stream->len > wrap) {
-		size_t to_copy = wrap - stream->data;
-		memcpy(*buf, stream->data, to_copy);
+	wrap = (const unsigned char *)b_wrap(strm_frm->buf);
+	if (strm_frm->data + strm_frm->len > wrap) {
+		size_t to_copy = wrap - strm_frm->data;
+		memcpy(*buf, strm_frm->data, to_copy);
 		*buf += to_copy;
 
-		to_copy = stream->len - to_copy;
-		memcpy(*buf, b_orig(stream->buf), to_copy);
+		to_copy = strm_frm->len - to_copy;
+		memcpy(*buf, b_orig(strm_frm->buf), to_copy);
 		*buf += to_copy;
 	}
 	else {
-		memcpy(*buf, stream->data, stream->len);
-		*buf += stream->len;
+		memcpy(*buf, strm_frm->data, strm_frm->len);
+		*buf += strm_frm->len;
 	}
 
 	return 1;
@@ -544,27 +544,27 @@
 static int quic_parse_stream_frame(struct quic_frame *frm, struct quic_conn *qc,
                                    const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_stream *stream = &frm->stream;
+	struct qf_stream *strm_frm = &frm->stream;
 
-	if (!quic_dec_int(&stream->id, buf, end))
+	if (!quic_dec_int(&strm_frm->id, buf, end))
 		return 0;
 
 	/* Offset parsing */
 	if (!(frm->type & QUIC_STREAM_FRAME_TYPE_OFF_BIT)) {
-		stream->offset.key = 0;
+		strm_frm->offset.key = 0;
 	}
-	else if (!quic_dec_int((uint64_t *)&stream->offset.key, buf, end))
+	else if (!quic_dec_int((uint64_t *)&strm_frm->offset.key, buf, end))
 		return 0;
 
 	/* Length parsing */
 	if (!(frm->type & QUIC_STREAM_FRAME_TYPE_LEN_BIT)) {
-		stream->len = end - *buf;
+		strm_frm->len = end - *buf;
 	}
-	else if (!quic_dec_int(&stream->len, buf, end) || end - *buf < stream->len)
+	else if (!quic_dec_int(&strm_frm->len, buf, end) || end - *buf < strm_frm->len)
 		return 0;
 
-	stream->data = *buf;
-	*buf += stream->len;
+	strm_frm->data = *buf;
+	*buf += strm_frm->len;
 
 	return 1;
 }
@@ -575,9 +575,9 @@
 static int quic_build_max_data_frame(unsigned char **buf, const unsigned char *end,
                                      struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_max_data *max_data = &frm->max_data;
+	struct qf_max_data *md_frm = &frm->max_data;
 
-	return quic_enc_int(buf, end, max_data->max_data);
+	return quic_enc_int(buf, end, md_frm->max_data);
 }
 
 /* Parse a MAX_DATA frame from <buf> buffer with <end> as end into <frm> frame.
@@ -586,9 +586,9 @@
 static int quic_parse_max_data_frame(struct quic_frame *frm, struct quic_conn *qc,
                                      const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_max_data *max_data = &frm->max_data;
+	struct qf_max_data *md_frm = &frm->max_data;
 
-	return quic_dec_int(&max_data->max_data, buf, end);
+	return quic_dec_int(&md_frm->max_data, buf, end);
 }
 
 /* Encode a MAX_STREAM_DATA frame into <buf> buffer.
@@ -597,10 +597,10 @@
 static int quic_build_max_stream_data_frame(unsigned char **buf, const unsigned char *end,
                                             struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_max_stream_data *max_stream_data = &frm->max_stream_data;
+	struct qf_max_stream_data *msd_frm = &frm->max_stream_data;
 
-	return quic_enc_int(buf, end, max_stream_data->id) &&
-		quic_enc_int(buf, end, max_stream_data->max_stream_data);
+	return quic_enc_int(buf, end, msd_frm->id) &&
+		quic_enc_int(buf, end, msd_frm->max_stream_data);
 }
 
 /* Parse a MAX_STREAM_DATA frame from <buf> buffer with <end> as end into <frm> frame.
@@ -609,10 +609,10 @@
 static int quic_parse_max_stream_data_frame(struct quic_frame *frm, struct quic_conn *qc,
                                             const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_max_stream_data *max_stream_data = &frm->max_stream_data;
+	struct qf_max_stream_data *msd_frm = &frm->max_stream_data;
 
-	return quic_dec_int(&max_stream_data->id, buf, end) &&
-		quic_dec_int(&max_stream_data->max_stream_data, buf, end);
+	return quic_dec_int(&msd_frm->id, buf, end) &&
+		quic_dec_int(&msd_frm->max_stream_data, buf, end);
 }
 
 /* Encode a MAX_STREAMS frame for bidirectional streams into <buf> buffer.
@@ -621,9 +621,9 @@
 static int quic_build_max_streams_bidi_frame(unsigned char **buf, const unsigned char *end,
                                              struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_max_streams *max_streams_bidi = &frm->max_streams_bidi;
+	struct qf_max_streams *ms_frm = &frm->max_streams_bidi;
 
-	return quic_enc_int(buf, end, max_streams_bidi->max_streams);
+	return quic_enc_int(buf, end, ms_frm->max_streams);
 }
 
 /* Parse a MAX_STREAMS frame for bidirectional streams from <buf> buffer with <end>
@@ -633,9 +633,9 @@
 static int quic_parse_max_streams_bidi_frame(struct quic_frame *frm, struct quic_conn *qc,
                                              const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_max_streams *max_streams_bidi = &frm->max_streams_bidi;
+	struct qf_max_streams *ms_frm = &frm->max_streams_bidi;
 
-	return quic_dec_int(&max_streams_bidi->max_streams, buf, end);
+	return quic_dec_int(&ms_frm->max_streams, buf, end);
 }
 
 /* Encode a MAX_STREAMS frame for unidirectional streams into <buf> buffer.
@@ -644,9 +644,9 @@
 static int quic_build_max_streams_uni_frame(unsigned char **buf, const unsigned char *end,
                                             struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_max_streams *max_streams_uni = &frm->max_streams_uni;
+	struct qf_max_streams *ms_frm = &frm->max_streams_uni;
 
-	return quic_enc_int(buf, end, max_streams_uni->max_streams);
+	return quic_enc_int(buf, end, ms_frm->max_streams);
 }
 
 /* Parse a MAX_STREAMS frame for undirectional streams from <buf> buffer with <end>
@@ -656,9 +656,9 @@
 static int quic_parse_max_streams_uni_frame(struct quic_frame *frm, struct quic_conn *qc,
                                             const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_max_streams *max_streams_uni = &frm->max_streams_uni;
+	struct qf_max_streams *ms_frm = &frm->max_streams_uni;
 
-	return quic_dec_int(&max_streams_uni->max_streams, buf, end);
+	return quic_dec_int(&ms_frm->max_streams, buf, end);
 }
 
 /* Encode a DATA_BLOCKED frame into <buf> buffer.
@@ -667,9 +667,9 @@
 static int quic_build_data_blocked_frame(unsigned char **buf, const unsigned char *end,
                                          struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_data_blocked *data_blocked = &frm->data_blocked;
+	struct qf_data_blocked *db_frm = &frm->data_blocked;
 
-	return quic_enc_int(buf, end, data_blocked->limit);
+	return quic_enc_int(buf, end, db_frm->limit);
 }
 
 /* Parse a DATA_BLOCKED frame from <buf> buffer with <end> as end into <frm> frame.
@@ -678,9 +678,9 @@
 static int quic_parse_data_blocked_frame(struct quic_frame *frm, struct quic_conn *qc,
                                          const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_data_blocked *data_blocked = &frm->data_blocked;
+	struct qf_data_blocked *db_frm = &frm->data_blocked;
 
-	return quic_dec_int(&data_blocked->limit, buf, end);
+	return quic_dec_int(&db_frm->limit, buf, end);
 }
 
 /* Encode a STREAM_DATA_BLOCKED into <buf> buffer.
@@ -689,10 +689,10 @@
 static int quic_build_stream_data_blocked_frame(unsigned char **buf, const unsigned char *end,
                                                 struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_stream_data_blocked *stream_data_blocked = &frm->stream_data_blocked;
+	struct qf_stream_data_blocked *sdb_frm = &frm->stream_data_blocked;
 
-	return quic_enc_int(buf, end, stream_data_blocked->id) &&
-		quic_enc_int(buf, end, stream_data_blocked->limit);
+	return quic_enc_int(buf, end, sdb_frm->id) &&
+		quic_enc_int(buf, end, sdb_frm->limit);
 }
 
 /* Parse a STREAM_DATA_BLOCKED frame from <buf> buffer with <end> as end into <frm> frame.
@@ -701,10 +701,10 @@
 static int quic_parse_stream_data_blocked_frame(struct quic_frame *frm, struct quic_conn *qc,
                                                 const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_stream_data_blocked *stream_data_blocked = &frm->stream_data_blocked;
+	struct qf_stream_data_blocked *sdb_frm = &frm->stream_data_blocked;
 
-	return quic_dec_int(&stream_data_blocked->id, buf, end) &&
-		quic_dec_int(&stream_data_blocked->limit, buf, end);
+	return quic_dec_int(&sdb_frm->id, buf, end) &&
+		quic_dec_int(&sdb_frm->limit, buf, end);
 }
 
 /* Encode a STREAMS_BLOCKED frame for bidirectional streams into <buf> buffer.
@@ -713,9 +713,9 @@
 static int quic_build_streams_blocked_bidi_frame(unsigned char **buf, const unsigned char *end,
                                                  struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_streams_blocked *streams_blocked_bidi = &frm->streams_blocked_bidi;
+	struct qf_streams_blocked *sb_frm = &frm->streams_blocked_bidi;
 
-	return quic_enc_int(buf, end, streams_blocked_bidi->limit);
+	return quic_enc_int(buf, end, sb_frm->limit);
 }
 
 /* Parse a STREAMS_BLOCKED frame for bidirectional streams from <buf> buffer with <end>
@@ -725,9 +725,9 @@
 static int quic_parse_streams_blocked_bidi_frame(struct quic_frame *frm, struct quic_conn *qc,
                                                  const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_streams_blocked *streams_blocked_bidi = &frm->streams_blocked_bidi;
+	struct qf_streams_blocked *sb_frm = &frm->streams_blocked_bidi;
 
-	return quic_dec_int(&streams_blocked_bidi->limit, buf, end);
+	return quic_dec_int(&sb_frm->limit, buf, end);
 }
 
 /* Encode a STREAMS_BLOCKED frame for unidirectional streams into <buf> buffer.
@@ -736,9 +736,9 @@
 static int quic_build_streams_blocked_uni_frame(unsigned char **buf, const unsigned char *end,
                                                 struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_streams_blocked *streams_blocked_uni = &frm->streams_blocked_uni;
+	struct qf_streams_blocked *sb_frm = &frm->streams_blocked_uni;
 
-	return quic_enc_int(buf, end, streams_blocked_uni->limit);
+	return quic_enc_int(buf, end, sb_frm->limit);
 }
 
 /* Parse a STREAMS_BLOCKED frame for unidirectional streams from <buf> buffer with <end>
@@ -748,9 +748,9 @@
 static int quic_parse_streams_blocked_uni_frame(struct quic_frame *frm, struct quic_conn *qc,
                                                 const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_streams_blocked *streams_blocked_uni = &frm->streams_blocked_uni;
+	struct qf_streams_blocked *sb_frm = &frm->streams_blocked_uni;
 
-	return quic_dec_int(&streams_blocked_uni->limit, buf, end);
+	return quic_dec_int(&sb_frm->limit, buf, end);
 }
 
 /* Encode a NEW_CONNECTION_ID frame into <buf> buffer.
@@ -759,20 +759,20 @@
 static int quic_build_new_connection_id_frame(unsigned char **buf, const unsigned char *end,
                                               struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_new_connection_id *new_cid = &frm->new_connection_id;
+	struct qf_new_connection_id *ncid_frm = &frm->new_connection_id;
 
-	if (!quic_enc_int(buf, end, new_cid->seq_num) ||
-	    !quic_enc_int(buf, end, new_cid->retire_prior_to) ||
-	    end - *buf < sizeof new_cid->cid.len + new_cid->cid.len + QUIC_STATELESS_RESET_TOKEN_LEN)
+	if (!quic_enc_int(buf, end, ncid_frm->seq_num) ||
+	    !quic_enc_int(buf, end, ncid_frm->retire_prior_to) ||
+	    end - *buf < sizeof ncid_frm->cid.len + ncid_frm->cid.len + QUIC_STATELESS_RESET_TOKEN_LEN)
 		return 0;
 
-	*(*buf)++ = new_cid->cid.len;
+	*(*buf)++ = ncid_frm->cid.len;
 
-	if (new_cid->cid.len) {
-		memcpy(*buf, new_cid->cid.data, new_cid->cid.len);
-		*buf += new_cid->cid.len;
+	if (ncid_frm->cid.len) {
+		memcpy(*buf, ncid_frm->cid.data, ncid_frm->cid.len);
+		*buf += ncid_frm->cid.len;
 	}
-	memcpy(*buf, new_cid->stateless_reset_token, QUIC_STATELESS_RESET_TOKEN_LEN);
+	memcpy(*buf, ncid_frm->stateless_reset_token, QUIC_STATELESS_RESET_TOKEN_LEN);
 	*buf += QUIC_STATELESS_RESET_TOKEN_LEN;
 
 	return 1;
@@ -784,21 +784,21 @@
 static int quic_parse_new_connection_id_frame(struct quic_frame *frm, struct quic_conn *qc,
                                               const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_new_connection_id *new_cid = &frm->new_connection_id;
+	struct qf_new_connection_id *ncid_frm = &frm->new_connection_id;
 
-	if (!quic_dec_int(&new_cid->seq_num, buf, end) ||
-	    !quic_dec_int(&new_cid->retire_prior_to, buf, end) || end <= *buf)
+	if (!quic_dec_int(&ncid_frm->seq_num, buf, end) ||
+	    !quic_dec_int(&ncid_frm->retire_prior_to, buf, end) || end <= *buf)
 		return 0;
 
-	new_cid->cid.len = *(*buf)++;
-	if (end - *buf < new_cid->cid.len + QUIC_STATELESS_RESET_TOKEN_LEN)
+	ncid_frm->cid.len = *(*buf)++;
+	if (end - *buf < ncid_frm->cid.len + QUIC_STATELESS_RESET_TOKEN_LEN)
 		return 0;
 
-	if (new_cid->cid.len) {
-		new_cid->cid.data = *buf;
-		*buf += new_cid->cid.len;
+	if (ncid_frm->cid.len) {
+		ncid_frm->cid.data = *buf;
+		*buf += ncid_frm->cid.len;
 	}
-	new_cid->stateless_reset_token = *buf;
+	ncid_frm->stateless_reset_token = *buf;
 	*buf += QUIC_STATELESS_RESET_TOKEN_LEN;
 
 	return 1;
@@ -810,9 +810,9 @@
 static int quic_build_retire_connection_id_frame(unsigned char **buf, const unsigned char *end,
                                                  struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_retire_connection_id *retire_connection_id = &frm->retire_connection_id;
+	struct qf_retire_connection_id *rcid_frm = &frm->retire_connection_id;
 
-	return quic_enc_int(buf, end, retire_connection_id->seq_num);
+	return quic_enc_int(buf, end, rcid_frm->seq_num);
 }
 
 /* Parse a RETIRE_CONNECTION_ID frame from <buf> buffer with <end> as end into <frm> frame.
@@ -821,9 +821,9 @@
 static int quic_parse_retire_connection_id_frame(struct quic_frame *frm, struct quic_conn *qc,
                                                  const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_retire_connection_id *retire_connection_id = &frm->retire_connection_id;
+	struct qf_retire_connection_id *rcid_frm = &frm->retire_connection_id;
 
-	return quic_dec_int(&retire_connection_id->seq_num, buf, end);
+	return quic_dec_int(&rcid_frm->seq_num, buf, end);
 }
 
 /* Encode a PATH_CHALLENGE frame into <buf> buffer.
@@ -832,13 +832,13 @@
 static int quic_build_path_challenge_frame(unsigned char **buf, const unsigned char *end,
                                            struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_path_challenge *path_challenge = &frm->path_challenge;
+	struct qf_path_challenge *pc_frm = &frm->path_challenge;
 
-	if (end - *buf < sizeof path_challenge->data)
+	if (end - *buf < sizeof pc_frm->data)
 		return 0;
 
-	memcpy(*buf, path_challenge->data, sizeof path_challenge->data);
-	*buf += sizeof path_challenge->data;
+	memcpy(*buf, pc_frm->data, sizeof pc_frm->data);
+	*buf += sizeof pc_frm->data;
 
 	return 1;
 }
@@ -849,13 +849,13 @@
 static int quic_parse_path_challenge_frame(struct quic_frame *frm, struct quic_conn *qc,
                                            const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_path_challenge *path_challenge = &frm->path_challenge;
+	struct qf_path_challenge *pc_frm = &frm->path_challenge;
 
-	if (end - *buf < sizeof path_challenge->data)
+	if (end - *buf < sizeof pc_frm->data)
 		return 0;
 
-	memcpy(path_challenge->data, *buf, sizeof path_challenge->data);
-	*buf += sizeof path_challenge->data;
+	memcpy(pc_frm->data, *buf, sizeof pc_frm->data);
+	*buf += sizeof pc_frm->data;
 
 	return 1;
 }
@@ -867,13 +867,13 @@
 static int quic_build_path_response_frame(unsigned char **buf, const unsigned char *end,
                                           struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_path_challenge_response *path_challenge_response = &frm->path_challenge_response;
+	struct qf_path_challenge_response *pcr_frm = &frm->path_challenge_response;
 
-	if (end - *buf < sizeof path_challenge_response->data)
+	if (end - *buf < sizeof pcr_frm->data)
 		return 0;
 
-	memcpy(*buf, path_challenge_response->data, sizeof path_challenge_response->data);
-	*buf += sizeof path_challenge_response->data;
+	memcpy(*buf, pcr_frm->data, sizeof pcr_frm->data);
+	*buf += sizeof pcr_frm->data;
 
 	return 1;
 }
@@ -884,13 +884,13 @@
 static int quic_parse_path_response_frame(struct quic_frame *frm, struct quic_conn *qc,
                                           const unsigned char **buf, const unsigned char *end)
 {
-	struct qf_path_challenge_response *path_challenge_response = &frm->path_challenge_response;
+	struct qf_path_challenge_response *pcr_frm = &frm->path_challenge_response;
 
-	if (end - *buf < sizeof path_challenge_response->data)
+	if (end - *buf < sizeof pcr_frm->data)
 		return 0;
 
-	memcpy(path_challenge_response->data, *buf, sizeof path_challenge_response->data);
-	*buf += sizeof path_challenge_response->data;
+	memcpy(pcr_frm->data, *buf, sizeof pcr_frm->data);
+	*buf += sizeof pcr_frm->data;
 
 	return 1;
 }
@@ -903,16 +903,16 @@
 static int quic_build_connection_close_frame(unsigned char **buf, const unsigned char *end,
                                              struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_connection_close *cc = &frm->connection_close;
+	struct qf_connection_close *cc_frm = &frm->connection_close;
 
-	if (!quic_enc_int(buf, end, cc->error_code) ||
-	    !quic_enc_int(buf, end, cc->frame_type) ||
-	    !quic_enc_int(buf, end, cc->reason_phrase_len) ||
-	    end - *buf < cc->reason_phrase_len)
+	if (!quic_enc_int(buf, end, cc_frm->error_code) ||
+	    !quic_enc_int(buf, end, cc_frm->frame_type) ||
+	    !quic_enc_int(buf, end, cc_frm->reason_phrase_len) ||
+	    end - *buf < cc_frm->reason_phrase_len)
 		return 0;
 
-	memcpy(*buf, cc->reason_phrase, cc->reason_phrase_len);
-	*buf += cc->reason_phrase_len;
+	memcpy(*buf, cc_frm->reason_phrase, cc_frm->reason_phrase_len);
+	*buf += cc_frm->reason_phrase_len;
 
 	return 1;
 }
@@ -926,17 +926,17 @@
                                              const unsigned char **buf, const unsigned char *end)
 {
 	size_t plen;
-	struct qf_connection_close *cc = &frm->connection_close;
+	struct qf_connection_close *cc_frm = &frm->connection_close;
 
-	if (!quic_dec_int(&cc->error_code, buf, end) ||
-	    !quic_dec_int(&cc->frame_type, buf, end) ||
-	    !quic_dec_int(&cc->reason_phrase_len, buf, end) ||
-	    end - *buf < cc->reason_phrase_len)
+	if (!quic_dec_int(&cc_frm->error_code, buf, end) ||
+	    !quic_dec_int(&cc_frm->frame_type, buf, end) ||
+	    !quic_dec_int(&cc_frm->reason_phrase_len, buf, end) ||
+	    end - *buf < cc_frm->reason_phrase_len)
 		return 0;
 
-	plen = QUIC_MIN((size_t)cc->reason_phrase_len, sizeof cc->reason_phrase);
-	memcpy(cc->reason_phrase, *buf, plen);
-	*buf += cc->reason_phrase_len;
+	plen = QUIC_MIN((size_t)cc_frm->reason_phrase_len, sizeof cc_frm->reason_phrase);
+	memcpy(cc_frm->reason_phrase, *buf, plen);
+	*buf += cc_frm->reason_phrase_len;
 
 	return 1;
 }
@@ -949,15 +949,15 @@
 static int quic_build_connection_close_app_frame(unsigned char **buf, const unsigned char *end,
                                                  struct quic_frame *frm, struct quic_conn *conn)
 {
-	struct qf_connection_close_app *cc = &frm->connection_close_app;
+	struct qf_connection_close_app *cc_frm = &frm->connection_close_app;
 
-	if (!quic_enc_int(buf, end, cc->error_code) ||
-	    !quic_enc_int(buf, end, cc->reason_phrase_len) ||
-	    end - *buf < cc->reason_phrase_len)
+	if (!quic_enc_int(buf, end, cc_frm->error_code) ||
+	    !quic_enc_int(buf, end, cc_frm->reason_phrase_len) ||
+	    end - *buf < cc_frm->reason_phrase_len)
 		return 0;
 
-	memcpy(*buf, cc->reason_phrase, cc->reason_phrase_len);
-	*buf += cc->reason_phrase_len;
+	memcpy(*buf, cc_frm->reason_phrase, cc_frm->reason_phrase_len);
+	*buf += cc_frm->reason_phrase_len;
 
 	return 1;
 }
@@ -971,16 +971,16 @@
                                                  const unsigned char **buf, const unsigned char *end)
 {
 	size_t plen;
-	struct qf_connection_close_app *cc = &frm->connection_close_app;
+	struct qf_connection_close_app *cc_frm = &frm->connection_close_app;
 
-	if (!quic_dec_int(&cc->error_code, buf, end) ||
-	    !quic_dec_int(&cc->reason_phrase_len, buf, end) ||
-	    end - *buf < cc->reason_phrase_len)
+	if (!quic_dec_int(&cc_frm->error_code, buf, end) ||
+	    !quic_dec_int(&cc_frm->reason_phrase_len, buf, end) ||
+	    end - *buf < cc_frm->reason_phrase_len)
 		return 0;
 
-	plen = QUIC_MIN((size_t)cc->reason_phrase_len, sizeof cc->reason_phrase);
-	memcpy(cc->reason_phrase, *buf, plen);
-	*buf += cc->reason_phrase_len;
+	plen = QUIC_MIN((size_t)cc_frm->reason_phrase_len, sizeof cc_frm->reason_phrase);
+	memcpy(cc_frm->reason_phrase, *buf, plen);
+	*buf += cc_frm->reason_phrase_len;
 
 	return 1;
 }
diff --git a/src/quic_stream.c b/src/quic_stream.c
index 40d552a..a984ce9 100644
--- a/src/quic_stream.c
+++ b/src/quic_stream.c
@@ -189,15 +189,15 @@
 	 */
 	frm_node = eb64_first(&stream->acked_frms);
 	while (frm_node) {
-		struct qf_stream *strm;
+		struct qf_stream *strm_frm;
 		struct quic_frame *frm;
 
-		strm = eb64_entry(frm_node, struct qf_stream, offset);
+		strm_frm = eb64_entry(frm_node, struct qf_stream, offset);
 
 		frm_node = eb64_next(frm_node);
-		eb64_delete(&strm->offset);
+		eb64_delete(&strm_frm->offset);
 
-		frm = container_of(strm, struct quic_frame, stream);
+		frm = container_of(strm_frm, struct quic_frame, stream);
 		qc_release_frm(qc, frm);
 	}