From 19fef81560be48509a81878548a6da7da6687cb4 Mon Sep 17 00:00:00 2001
From: deraadt <deraadt@openbsd.org>
Date: Fri, 5 Apr 2024 18:01:56 +0000
Subject: [PATCH] ANSI functions; ok tb

---
 lib/libpcap/bpf_image.c  |   6 +-
 lib/libpcap/etherent.c   |  11 +-
 lib/libpcap/gencode.c    | 237 +++++++++++----------------------------
 lib/libpcap/inet.c       |   5 +-
 lib/libpcap/nametoaddr.c |   5 +-
 lib/libpcap/optimize.c   | 145 ++++++++----------------
 lib/libpcap/scanner.l    |  11 +-
 7 files changed, 122 insertions(+), 298 deletions(-)

diff --git a/lib/libpcap/bpf_image.c b/lib/libpcap/bpf_image.c
index cd56d07ef20..5ff446178d5 100644
--- a/lib/libpcap/bpf_image.c
+++ b/lib/libpcap/bpf_image.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bpf_image.c,v 1.11 2020/08/03 03:29:58 dlg Exp $	*/
+/*	$OpenBSD: bpf_image.c,v 1.12 2024/04/05 18:01:56 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1990, 1991, 1992, 1994, 1995, 1996
@@ -34,9 +34,7 @@
 #endif
 
 char *
-bpf_image(p, n)
-	const struct bpf_insn *p;
-	int n;
+bpf_image(const struct bpf_insn *p, int n)
 {
 	int v;
 	char *fmt, *op;
diff --git a/lib/libpcap/etherent.c b/lib/libpcap/etherent.c
index 057ff1edb17..b45d99fb881 100644
--- a/lib/libpcap/etherent.c
+++ b/lib/libpcap/etherent.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: etherent.c,v 1.9 2015/11/17 21:39:23 mmcc Exp $	*/
+/*	$OpenBSD: etherent.c,v 1.10 2024/04/05 18:01:56 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1990, 1993, 1994, 1995, 1996
@@ -40,8 +40,7 @@ static __inline int skip_line(FILE *);
 
 /* Hex digit to integer. */
 static __inline int
-xdtoi(c)
-	int c;
+xdtoi(int c)
 {
 	if (isdigit(c))
 		return c - '0';
@@ -52,8 +51,7 @@ xdtoi(c)
 }
 
 static __inline int
-skip_space(f)
-	FILE *f;
+skip_space(FILE *f)
 {
 	int c;
 
@@ -65,8 +63,7 @@ skip_space(f)
 }
 
 static __inline int
-skip_line(f)
-	FILE *f;
+skip_line(FILE *f)
 {
 	int c;
 
diff --git a/lib/libpcap/gencode.c b/lib/libpcap/gencode.c
index e5f5d33423c..ed688a4ba04 100644
--- a/lib/libpcap/gencode.c
+++ b/lib/libpcap/gencode.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: gencode.c,v 1.64 2022/12/27 17:10:07 jmc Exp $	*/
+/*	$OpenBSD: gencode.c,v 1.65 2024/04/05 18:01:56 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
@@ -220,8 +220,7 @@ freechunks(void)
  * A strdup whose allocations are freed after code generation is over.
  */
 char *
-sdup(s)
-	const char *s;
+sdup(const char *s)
 {
 	int n = strlen(s) + 1;
 	char *cp = newchunk(n);
@@ -231,8 +230,7 @@ sdup(s)
 }
 
 static __inline struct block *
-new_block(code)
-	int code;
+new_block(int code)
 {
 	struct block *p;
 
@@ -244,8 +242,7 @@ new_block(code)
 }
 
 static __inline struct slist *
-new_stmt(code)
-	int code;
+new_stmt(int code)
 {
 	struct slist *p;
 
@@ -256,8 +253,7 @@ new_stmt(code)
 }
 
 static struct block *
-gen_retblk(v)
-	int v;
+gen_retblk(int v)
 {
 	struct block *b = new_block(BPF_RET|BPF_K);
 
@@ -386,8 +382,7 @@ pcap_freecode(struct bpf_program *program)
  * in each block is already resolved.
  */
 static void
-backpatch(list, target)
-	struct block *list, *target;
+backpatch(struct block *list, struct block *target)
 {
 	struct block *next;
 
@@ -408,8 +403,7 @@ backpatch(list, target)
  * which of jt and jf is the link.
  */
 static void
-merge(b0, b1)
-	struct block *b0, *b1;
+merge(struct block *b0, struct block *b1)
 {
 	struct block **p = &b0;
 
@@ -422,8 +416,7 @@ merge(b0, b1)
 }
 
 void
-finish_parse(p)
-	struct block *p;
+finish_parse(struct block *p)
 {
 	backpatch(p, gen_retblk(snaplen));
 	p->sense = !p->sense;
@@ -448,8 +441,7 @@ finish_parse(p)
 }
 
 void
-gen_and(b0, b1)
-	struct block *b0, *b1;
+gen_and(struct block *b0, struct block *b1)
 {
 	backpatch(b0, b1->head);
 	b0->sense = !b0->sense;
@@ -460,8 +452,7 @@ gen_and(b0, b1)
 }
 
 void
-gen_or(b0, b1)
-	struct block *b0, *b1;
+gen_or(struct block *b0, struct block *b1)
 {
 	b0->sense = !b0->sense;
 	backpatch(b0, b1->head);
@@ -471,16 +462,13 @@ gen_or(b0, b1)
 }
 
 void
-gen_not(b)
-	struct block *b;
+gen_not(struct block *b)
 {
 	b->sense = !b->sense;
 }
 
 static struct block *
-gen_cmp(offset, size, v)
-	u_int offset, size;
-	bpf_int32 v;
+gen_cmp(u_int offset, u_int size, bpf_int32 v)
 {
 	struct slist *s;
 	struct block *b;
@@ -496,9 +484,7 @@ gen_cmp(offset, size, v)
 }
 
 static struct block *
-gen_cmp_gt(offset, size, v)
-	u_int offset, size;
-	bpf_int32 v;
+gen_cmp_gt(u_int offset, u_int size, bpf_int32 v)
 {
 	struct slist *s;
 	struct block *b;
@@ -514,10 +500,7 @@ gen_cmp_gt(offset, size, v)
 }
 
 static struct block *
-gen_mcmp(offset, size, v, mask)
-	u_int offset, size;
-	bpf_int32 v;
-	bpf_u_int32 mask;
+gen_mcmp(u_int offset, u_int size, bpf_int32 v, bpf_u_int32 mask)
 {
 	struct block *b = gen_cmp(offset, size, v);
 	struct slist *s;
@@ -532,10 +515,7 @@ gen_mcmp(offset, size, v, mask)
 
 /* Like gen_mcmp with 'dynamic off_nl' added to the offset */
 static struct block *
-gen_mcmp_nl(offset, size, v, mask)
-	u_int offset, size;
-	bpf_int32 v;
-	bpf_u_int32 mask;
+gen_mcmp_nl(u_int offset, u_int size, bpf_int32 v, bpf_u_int32 mask)
 {
 	struct block *b = gen_cmp_nl(offset, size, v);
 	struct slist *s;
@@ -549,9 +529,7 @@ gen_mcmp_nl(offset, size, v, mask)
 }
 
 static struct block *
-gen_bcmp(offset, size, v)
-	u_int offset, size;
-	const u_char *v;
+gen_bcmp(u_int offset, u_int size, const u_char *v)
 {
 	struct block *b, *tmp;
 
@@ -645,9 +623,7 @@ nl2X_stmt(void)
 
 /* Like gen_cmp but adds the dynamic 'off_nl' to the offset */
 static struct block *
-gen_cmp_nl(offset, size, v)
-	u_int offset, size;
-	bpf_int32 v;
+gen_cmp_nl(u_int offset, u_int size, bpf_int32 v)
 {
 	struct slist *s, *tmp;
 	struct block *b;
@@ -669,8 +645,7 @@ gen_cmp_nl(offset, size, v)
 }
 
 static void
-init_linktype(type)
-	int type;
+init_linktype(int type)
 {
 	linktype = type;
 	init_code = NULL;
@@ -806,8 +781,7 @@ init_linktype(type)
 }
 
 static struct block *
-gen_uncond(rsense)
-	int rsense;
+gen_uncond(int rsense)
 {
 	struct block *b;
 	struct slist *s;
@@ -833,8 +807,7 @@ gen_false()
 }
 
 static struct block *
-gen_linktype(proto)
-	int proto;
+gen_linktype(int proto)
 {
 	struct block *b0, *b1;
 
@@ -956,11 +929,8 @@ gen_linktype(proto)
 }
 
 static struct block *
-gen_hostop(addr, mask, dir, proto, src_off, dst_off)
-	bpf_u_int32 addr;
-	bpf_u_int32 mask;
-	int dir, proto;
-	u_int src_off, dst_off;
+gen_hostop(bpf_u_int32 addr, bpf_u_int32 mask, int dir, int proto,
+    u_int src_off, u_int dst_off)
 {
 	struct block *b0, *b1;
 	u_int offset;
@@ -1000,11 +970,8 @@ gen_hostop(addr, mask, dir, proto, src_off, dst_off)
 
 #ifdef INET6
 static struct block *
-gen_hostop6(addr, mask, dir, proto, src_off, dst_off)
-	struct in6_addr *addr;
-	struct in6_addr *mask;
-	int dir, proto;
-	u_int src_off, dst_off;
+gen_hostop6(struct in6_addr *addr, struct in6_addr *mask, int dir, int proto,
+	u_int src_off, u_int dst_off)
 {
 	struct block *b0, *b1;
 	u_int offset;
@@ -1054,9 +1021,7 @@ gen_hostop6(addr, mask, dir, proto, src_off, dst_off)
 #endif /*INET6*/
 
 static struct block *
-gen_ehostop(eaddr, dir)
-	const u_char *eaddr;
-	int dir;
+gen_ehostop(const u_char *eaddr, int dir)
 {
 	struct block *b0, *b1;
 
@@ -1090,9 +1055,7 @@ gen_ehostop(eaddr, dir)
  * Like gen_ehostop, but for DLT_FDDI
  */
 static struct block *
-gen_fhostop(eaddr, dir)
-	const u_char *eaddr;
-	int dir;
+gen_fhostop(const u_char *eaddr, int dir)
 {
 	struct block *b0, *b1;
 
@@ -1149,10 +1112,7 @@ gen_fhostop(eaddr, dir)
  * and not generate masking instructions if the mask is 0xFFFF.
  */
 static struct block *
-gen_dnhostop(addr, dir, base_off)
-	bpf_u_int32 addr;
-	int dir;
-	u_int base_off;
+gen_dnhostop(bpf_u_int32 addr, int dir, u_int base_off)
 {
 	struct block *b0, *b1, *b2, *tmp;
 	u_int offset_lh;	/* offset if long header is received */
@@ -1220,11 +1180,7 @@ gen_dnhostop(addr, dir, base_off)
 }
 
 static struct block *
-gen_host(addr, mask, proto, dir)
-	bpf_u_int32 addr;
-	bpf_u_int32 mask;
-	int proto;
-	int dir;
+gen_host(bpf_u_int32 addr, bpf_u_int32 mask, int proto, int dir)
 {
 	struct block *b0, *b1;
 
@@ -1312,11 +1268,7 @@ gen_host(addr, mask, proto, dir)
 
 #ifdef INET6
 static struct block *
-gen_host6(addr, mask, proto, dir)
-	struct in6_addr *addr;
-	struct in6_addr *mask;
-	int proto;
-	int dir;
+gen_host6(struct in6_addr *addr, struct in6_addr *mask, int proto, int dir)
 {
 	switch (proto) {
 
@@ -1433,8 +1385,7 @@ gen_gateway(eaddr, alist, proto, dir)
 #endif	/*INET6*/
 
 struct block *
-gen_proto_abbrev(proto)
-	int proto;
+gen_proto_abbrev(int proto)
 {
 	struct block *b0 = NULL, *b1;
 
@@ -1648,9 +1599,7 @@ iphl_to_x(void)
 }
 
 static struct block *
-gen_portatom(off, v)
-	int off;
-	bpf_int32 v;
+gen_portatom(int off, bpf_int32 v)
 {
 	struct slist *s, *tmp;
 	struct block *b;
@@ -1670,17 +1619,14 @@ gen_portatom(off, v)
 
 #ifdef INET6
 static struct block *
-gen_portatom6(off, v)
-	int off;
-	bpf_int32 v;
+gen_portatom6(int off, bpf_int32 v)
 {
 	return gen_cmp_nl(40 + off, BPF_H, v);
 }
 #endif/*INET6*/
 
 struct block *
-gen_portop(port, proto, dir)
-	int port, proto, dir;
+gen_portop(int port, int proto, int dir)
 {
 	struct block *b0, *b1, *tmp;
 
@@ -1720,10 +1666,7 @@ gen_portop(port, proto, dir)
 }
 
 static struct block *
-gen_port(port, ip_proto, dir)
-	int port;
-	int ip_proto;
-	int dir;
+gen_port(int port, int ip_proto, int dir)
 {
 	struct block *b0, *b1, *tmp;
 
@@ -1751,8 +1694,7 @@ gen_port(port, ip_proto, dir)
 
 #ifdef INET6
 struct block *
-gen_portop6(port, proto, dir)
-	int port, proto, dir;
+gen_portop6(int port, int proto, int dir)
 {
 	struct block *b0, *b1, *tmp;
 
@@ -1790,10 +1732,7 @@ gen_portop6(port, proto, dir)
 }
 
 static struct block *
-gen_port6(port, ip_proto, dir)
-	int port;
-	int ip_proto;
-	int dir;
+gen_port6(int port, int ip_proto, int dir)
 {
 	struct block *b0, *b1, *tmp;
 
@@ -1821,9 +1760,7 @@ gen_port6(port, ip_proto, dir)
 #endif /* INET6 */
 
 static int
-lookup_proto(name, proto)
-	const char *name;
-	int proto;
+lookup_proto(const char *name, int proto)
 {
 	int v;
 
@@ -1854,10 +1791,7 @@ lookup_proto(name, proto)
 }
 
 static struct block *
-gen_protochain(v, proto, dir)
-	int v;
-	int proto;
-	int dir;
+gen_protochain(int v, int proto, int dir)
 {
 	struct block *b0, *b;
 	struct slist *s[100];
@@ -2151,10 +2085,7 @@ gen_protochain(v, proto, dir)
 }
 
 static struct block *
-gen_proto(v, proto, dir)
-	int v;
-	int proto;
-	int dir;
+gen_proto(int v, int proto, int dir)
 {
 	struct block *b0, *b1;
 
@@ -2273,9 +2204,7 @@ gen_proto(v, proto, dir)
 }
 
 struct block *
-gen_scode(name, q)
-	const char *name;
-	struct qual q;
+gen_scode(const char *name, struct qual q)
 {
 	int proto = q.proto;
 	int dir = q.dir;
@@ -2479,10 +2408,7 @@ gen_scode(name, q)
 }
 
 struct block *
-gen_mcode(s1, s2, masklen, q)
-	const char *s1, *s2;
-	int masklen;
-	struct qual q;
+gen_mcode(const char *s1, const char *s2, int masklen, struct qual q)
 {
 	int nlen, mlen;
 	bpf_u_int32 n, m;
@@ -2520,10 +2446,7 @@ gen_mcode(s1, s2, masklen, q)
 }
 
 struct block *
-gen_ncode(s, v, q)
-	const char *s;
-	bpf_u_int32 v;
-	struct qual q;
+gen_ncode(const char *s, bpf_u_int32 v, struct qual q)
 {
 	bpf_u_int32 mask;
 	int proto = q.proto;
@@ -2606,10 +2529,7 @@ gen_ncode(s, v, q)
 
 #ifdef INET6
 struct block *
-gen_mcode6(s1, s2, masklen, q)
-	const char *s1, *s2;
-	int masklen;
-	struct qual q;
+gen_mcode6(const char *s1, const char *s2, int masklen, struct qual q)
 {
 	struct addrinfo *res;
 	struct in6_addr *addr;
@@ -2664,9 +2584,7 @@ gen_mcode6(s1, s2, masklen, q)
 #endif /*INET6*/
 
 struct block *
-gen_ecode(eaddr, q)
-	const u_char *eaddr;
-	struct qual q;
+gen_ecode(const u_char *eaddr, struct qual q)
 {
 	if ((q.addr == Q_HOST || q.addr == Q_DEFAULT) && q.proto == Q_LINK) {
 		if (linktype == DLT_EN10MB)
@@ -2682,8 +2600,7 @@ gen_ecode(eaddr, q)
 }
 
 void
-sappend(s0, s1)
-	struct slist *s0, *s1;
+sappend(struct slist *s0, struct slist *s1)
 {
 	/*
 	 * This is definitely not the best way to do this, but the
@@ -2695,8 +2612,7 @@ sappend(s0, s1)
 }
 
 static struct slist *
-xfer_to_x(a)
-	struct arth *a;
+xfer_to_x(struct arth *a)
 {
 	struct slist *s;
 
@@ -2706,8 +2622,7 @@ xfer_to_x(a)
 }
 
 static struct slist *
-xfer_to_a(a)
-	struct arth *a;
+xfer_to_a(struct arth *a)
 {
 	struct slist *s;
 
@@ -2717,10 +2632,7 @@ xfer_to_a(a)
 }
 
 struct arth *
-gen_load(proto, index, size)
-	int proto;
-	struct arth *index;
-	int size;
+gen_load(int proto, struct arth *index, int size)
 {
 	struct slist *s, *tmp;
 	struct block *b;
@@ -2824,10 +2736,7 @@ gen_load(proto, index, size)
 }
 
 struct block *
-gen_relation(code, a0, a1, reversed)
-	int code;
-	struct arth *a0, *a1;
-	int reversed;
+gen_relation(int code, struct arth *a0, struct arth *a1, int reversed)
 {
 	struct slist *s0, *s1, *s2;
 	struct block *b, *tmp;
@@ -2902,8 +2811,7 @@ gen_loadrnd()
 }
 
 struct arth *
-gen_loadi(val)
-	int val;
+gen_loadi(int val)
 {
 	struct arth *a;
 	struct slist *s;
@@ -2924,8 +2832,7 @@ gen_loadi(val)
 }
 
 struct arth *
-gen_neg(a)
-	struct arth *a;
+gen_neg(struct arth *a)
 {
 	struct slist *s;
 
@@ -2942,9 +2849,7 @@ gen_neg(a)
 }
 
 struct arth *
-gen_arth(code, a0, a1)
-	int code;
-	struct arth *a0, *a1;
+gen_arth(int code, struct arth *a0, struct arth *a1)
 {
 	struct slist *s0, *s1, *s2;
 
@@ -2998,15 +2903,13 @@ alloc_reg()
  * be used later.
  */
 static void
-free_reg(n)
-	int n;
+free_reg(int n)
 {
 	regused[n] = 0;
 }
 
 static struct block *
-gen_len(jmp, n)
-	int jmp, n;
+gen_len(int jmp, int n)
 {
 	struct slist *s;
 	struct block *b;
@@ -3020,15 +2923,13 @@ gen_len(jmp, n)
 }
 
 struct block *
-gen_greater(n)
-	int n;
+gen_greater(int n)
 {
 	return gen_len(BPF_JGE, n);
 }
 
 struct block *
-gen_less(n)
-	int n;
+gen_less(int n)
 {
 	struct block *b;
 
@@ -3039,8 +2940,7 @@ gen_less(n)
 }
 
 struct block *
-gen_byteop(op, idx, val)
-	int op, idx, val;
+gen_byteop(int op, int idx, int val)
 {
 	struct block *b;
 	struct slist *s;
@@ -3080,8 +2980,7 @@ gen_byteop(op, idx, val)
 }
 
 struct block *
-gen_broadcast(proto)
-	int proto;
+gen_broadcast(int proto)
 {
 	bpf_u_int32 hostmask;
 	struct block *b0, *b1, *b2;
@@ -3122,8 +3021,7 @@ gen_broadcast(proto)
 }
 
 struct block *
-gen_multicast(proto)
-	int proto;
+gen_multicast(int proto)
 {
 	struct block *b0, *b1;
 	struct slist *s;
@@ -3179,8 +3077,7 @@ gen_multicast(proto)
  * = 1 implies "outbound".
  */
 struct block *
-gen_inbound(dir)
-	int dir;
+gen_inbound(int dir)
 {
 	struct block *b0;
 
@@ -3348,9 +3245,7 @@ gen_p80211_type(int type, int mask)
 }
 
 static struct block *
-gen_ahostop(eaddr, dir)
-	const u_char *eaddr;
-	int dir;
+gen_ahostop(const u_char *eaddr, int dir)
 {
 	struct block *b0, *b1;
 
@@ -3380,9 +3275,7 @@ gen_ahostop(eaddr, dir)
 }
 
 struct block *
-gen_acode(eaddr, q)
-	const u_char *eaddr;
-	struct qual q;
+gen_acode(const u_char *eaddr, struct qual q)
 {
 	if ((q.addr == Q_HOST || q.addr == Q_DEFAULT) && q.proto == Q_LINK) {
 		if (linktype == DLT_ARCNET)
@@ -3393,8 +3286,7 @@ gen_acode(eaddr, q)
 }
 
 struct block *
-gen_mpls(label)
-	int label;
+gen_mpls(int label)
 {
 	struct block	*b0;
 
@@ -3424,8 +3316,7 @@ gen_mpls(label)
  * support IEEE 802.1Q VLAN trunk over ethernet
  */
 struct block *
-gen_vlan(vlan_num)
-	int vlan_num;
+gen_vlan(int vlan_num)
 {
 	struct	block	*b0;
 
diff --git a/lib/libpcap/inet.c b/lib/libpcap/inet.c
index 2e4db700d0d..16fa7583609 100644
--- a/lib/libpcap/inet.c
+++ b/lib/libpcap/inet.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: inet.c,v 1.26 2021/12/01 18:28:45 deraadt Exp $	*/
+/*	$OpenBSD: inet.c,v 1.27 2024/04/05 18:01:56 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1994, 1995, 1996, 1997, 1998
@@ -109,8 +109,7 @@ pcap_freealldevs(pcap_if_t *alldevs)
  * lowest unit number is preferred; loopback is ignored.
  */
 char *
-pcap_lookupdev(errbuf)
-	char *errbuf;
+pcap_lookupdev(char *errbuf)
 {
 #ifdef HAVE_IFADDRS_H
 	struct ifaddrs *ifap, *ifa, *mp;
diff --git a/lib/libpcap/nametoaddr.c b/lib/libpcap/nametoaddr.c
index e7d0c79a11d..2189b06d325 100644
--- a/lib/libpcap/nametoaddr.c
+++ b/lib/libpcap/nametoaddr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: nametoaddr.c,v 1.24 2021/12/01 18:28:45 deraadt Exp $	*/
+/*	$OpenBSD: nametoaddr.c,v 1.25 2024/04/05 18:01:56 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996
@@ -255,8 +255,7 @@ pcap_nametollc(const char *s)
 
 /* Hex digit to integer. */
 static __inline int
-xdtoi(c)
-	int c;
+xdtoi(int c)
 {
 	if (isdigit(c))
 		return c - '0';
diff --git a/lib/libpcap/optimize.c b/lib/libpcap/optimize.c
index 9b3eceff3a2..873b41fcda8 100644
--- a/lib/libpcap/optimize.c
+++ b/lib/libpcap/optimize.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: optimize.c,v 1.21 2020/08/03 03:29:58 dlg Exp $	*/
+/*	$OpenBSD: optimize.c,v 1.22 2024/04/05 18:01:56 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994, 1995, 1996
@@ -199,8 +199,7 @@ static uset all_edge_sets;
 #endif
 
 static void
-find_levels_r(b)
-	struct block *b;
+find_levels_r(struct block *b)
 {
 	int level;
 
@@ -228,8 +227,7 @@ find_levels_r(b)
  * with the 'link' field of the struct block.
  */
 static void
-find_levels(root)
-	struct block *root;
+find_levels(struct block *root)
 {
 	memset((char *)levels, 0, n_blocks * sizeof(*levels));
 	unMarkAll();
@@ -241,8 +239,7 @@ find_levels(root)
  * Assumes graph has been leveled.
  */
 static void
-find_dom(root)
-	struct block *root;
+find_dom(struct block *root)
 {
 	int i;
 	struct block *b;
@@ -272,8 +269,7 @@ find_dom(root)
 }
 
 static void
-propedom(ep)
-	struct edge *ep;
+propedom(struct edge *ep)
 {
 	SET_INSERT(ep->edom, ep->id);
 	if (ep->succ) {
@@ -287,8 +283,7 @@ propedom(ep)
  * Assumes graph has been leveled and predecessors established.
  */
 static void
-find_edom(root)
-	struct block *root;
+find_edom(struct block *root)
 {
 	int i;
 	uset x;
@@ -317,8 +312,7 @@ find_edom(root)
  * Assumes graph has been leveled.
  */
 static void
-find_closure(root)
-	struct block *root;
+find_closure(struct block *root)
 {
 	int i;
 	struct block *b;
@@ -348,8 +342,7 @@ find_closure(root)
  * The implementation should probably change to an array access.
  */
 static int
-atomuse(s)
-	struct stmt *s;
+atomuse(struct stmt *s)
 {
 	int c = s->code;
 
@@ -394,8 +387,7 @@ atomuse(s)
  * The implementation should probably change to an array access.
  */
 static int
-atomdef(s)
-	struct stmt *s;
+atomdef(struct stmt *s)
 {
 	if (s->code == NOP)
 		return -1;
@@ -420,8 +412,7 @@ atomdef(s)
 }
 
 static void
-compute_local_ud(b)
-	struct block *b;
+compute_local_ud(struct block *b)
 {
 	struct slist *s;
 	atomset def = 0, use = 0, kill = 0;
@@ -464,8 +455,7 @@ compute_local_ud(b)
  * Assume graph is already leveled.
  */
 static void
-find_ud(root)
-	struct block *root;
+find_ud(struct block *root)
 {
 	int i, maxlevel;
 	struct block *p;
@@ -530,9 +520,7 @@ init_val()
 
 /* Because we really don't have an IR, this stuff is a little messy. */
 static int
-F(code, v0, v1)
-	int code;
-	int v0, v1;
+F(int code, int v0, int v1)
 {
 	u_int hash;
 	int val;
@@ -563,11 +551,7 @@ F(code, v0, v1)
 }
 
 static __inline void
-vstore(s, valp, newval, alter)
-	struct stmt *s;
-	int *valp;
-	int newval;
-	int alter;
+vstore(struct stmt *s, int *valp, int newval, int alter)
 {
 	if (alter && *valp == newval)
 		s->code = NOP;
@@ -576,9 +560,7 @@ vstore(s, valp, newval, alter)
 }
 
 static void
-fold_op(s, v0, v1)
-	struct stmt *s;
-	int v0, v1;
+fold_op(struct stmt *s, int v0, int v1)
 {
 	bpf_int32 a, b;
 
@@ -633,8 +615,7 @@ fold_op(s, v0, v1)
 }
 
 static __inline struct slist *
-this_op(s)
-	struct slist *s;
+this_op(struct slist *s)
 {
 	while (s != 0 && s->s.code == NOP)
 		s = s->next;
@@ -642,8 +623,7 @@ this_op(s)
 }
 
 static void
-opt_not(b)
-	struct block *b;
+opt_not(struct block *b)
 {
 	struct block *tmp = JT(b);
 
@@ -652,8 +632,7 @@ opt_not(b)
 }
 
 static void
-opt_peep(b)
-	struct block *b;
+opt_peep(struct block *b)
 {
 	struct slist *s;
 	struct slist *next, *last;
@@ -861,10 +840,7 @@ opt_peep(b)
  * evaluation and code transformations weren't folded together.
  */
 static void
-opt_stmt(s, val, alter)
-	struct stmt *s;
-	int val[];
-	int alter;
+opt_stmt(struct stmt *s, int val[], int alter)
 {
 	int op;
 	int v;
@@ -1048,9 +1024,7 @@ opt_stmt(s, val, alter)
 }
 
 static void
-deadstmt(s, last)
-	struct stmt *s;
-	struct stmt *last[];
+deadstmt(struct stmt *s, struct stmt *last[])
 {
 	int atom;
 
@@ -1074,8 +1048,7 @@ deadstmt(s, last)
 }
 
 static void
-opt_deadstores(b)
-	struct block *b;
+opt_deadstores(struct block *b)
 {
 	struct slist *s;
 	int atom;
@@ -1095,9 +1068,7 @@ opt_deadstores(b)
 }
 
 static void
-opt_blk(b, do_stmts)
-	struct block *b;
-	int do_stmts;
+opt_blk(struct block *b, int do_stmts)
 {
 	struct slist *s;
 	struct edge *p;
@@ -1168,8 +1139,7 @@ opt_blk(b, do_stmts)
  * from 'b'.
  */
 static int
-use_conflict(b, succ)
-	struct block *b, *succ;
+use_conflict(struct block *b, struct block *succ)
 {
 	int atom;
 	atomset use = succ->out_use;
@@ -1185,9 +1155,7 @@ use_conflict(b, succ)
 }
 
 static struct block *
-fold_edge(child, ep)
-	struct block *child;
-	struct edge *ep;
+fold_edge(struct block *child, struct edge *ep)
 {
 	int sense;
 	int aval0, aval1, oval0, oval1;
@@ -1231,8 +1199,7 @@ fold_edge(child, ep)
 }
 
 static void
-opt_j(ep)
-	struct edge *ep;
+opt_j(struct edge *ep)
 {
 	int i, k;
 	struct block *target;
@@ -1287,8 +1254,7 @@ opt_j(ep)
 
 
 static void
-or_pullup(b)
-	struct block *b;
+or_pullup(struct block *b)
 {
 	int val, at_top;
 	struct block *pull;
@@ -1380,8 +1346,7 @@ or_pullup(b)
 }
 
 static void
-and_pullup(b)
-	struct block *b;
+and_pullup(struct block *b)
 {
 	int val, at_top;
 	struct block *pull;
@@ -1472,9 +1437,7 @@ and_pullup(b)
 }
 
 static void
-opt_blks(root, do_stmts)
-	struct block *root;
-	int do_stmts;
+opt_blks(struct block *root, int do_stmts)
 {
 	int i, maxlevel;
 	struct block *p;
@@ -1507,17 +1470,14 @@ opt_blks(root, do_stmts)
 }
 
 static __inline void
-link_inedge(parent, child)
-	struct edge *parent;
-	struct block *child;
+link_inedge(struct edge *parent, struct block *child)
 {
 	parent->next = child->in_edges;
 	child->in_edges = parent;
 }
 
 static void
-find_inedges(root)
-	struct block *root;
+find_inedges(struct block *root)
 {
 	int i;
 	struct block *b;
@@ -1538,8 +1498,7 @@ find_inedges(root)
 }
 
 static void
-opt_root(b)
-	struct block **b;
+opt_root(struct block **b)
 {
 	struct slist *tmp, *s;
 
@@ -1563,9 +1522,7 @@ opt_root(b)
 }
 
 static void
-opt_loop(root, do_stmts)
-	struct block *root;
-	int do_stmts;
+opt_loop(struct block *root, int do_stmts)
 {
 
 #ifdef BDEBUG
@@ -1592,8 +1549,7 @@ opt_loop(root, do_stmts)
  * Optimize the filter code in its dag representation.
  */
 void
-bpf_optimize(rootp)
-	struct block **rootp;
+bpf_optimize(struct block **rootp)
 {
 	struct block *root;
 
@@ -1608,8 +1564,7 @@ bpf_optimize(rootp)
 }
 
 static void
-make_marks(p)
-	struct block *p;
+make_marks(struct block *p)
 {
 	if (!isMarked(p)) {
 		Mark(p);
@@ -1625,8 +1580,7 @@ make_marks(p)
  * only for nodes that are alive.
  */
 static void
-mark_code(p)
-	struct block *p;
+mark_code(struct block *p)
 {
 	cur_mark += 1;
 	make_marks(p);
@@ -1637,8 +1591,7 @@ mark_code(p)
  * the accumulator.
  */
 static int
-eq_slist(x, y)
-	struct slist *x, *y;
+eq_slist(struct slist *x, struct slist *y)
 {
 	while (1) {
 		while (x && x->s.code == NOP)
@@ -1657,8 +1610,7 @@ eq_slist(x, y)
 }
 
 static __inline int
-eq_blk(b0, b1)
-	struct block *b0, *b1;
+eq_blk(struct block *b0, struct block *b1)
 {
 	if (b0->s.code == b1->s.code &&
 	    b0->s.k == b1->s.k &&
@@ -1669,8 +1621,7 @@ eq_blk(b0, b1)
 }
 
 static void
-intern_blocks(root)
-	struct block *root;
+intern_blocks(struct block *root)
 {
 	struct block *p;
 	int i, j;
@@ -1728,8 +1679,7 @@ opt_cleanup()
  * Return the number of stmts in 's'.
  */
 static int
-slength(s)
-	struct slist *s;
+slength(struct slist *s)
 {
 	int n = 0;
 
@@ -1744,8 +1694,7 @@ slength(s)
  * All nodes should be initially unmarked.
  */
 static int
-count_blocks(p)
-	struct block *p;
+count_blocks(struct block *p)
 {
 	if (p == 0 || isMarked(p))
 		return 0;
@@ -1758,8 +1707,7 @@ count_blocks(p)
  * the basic blocks, and entering them into the 'blocks' array.`
  */
 static void
-number_blks_r(p)
-	struct block *p;
+number_blks_r(struct block *p)
 {
 	int n;
 
@@ -1780,8 +1728,7 @@ number_blks_r(p)
  * The nodes should be unmarked before calling.
  */
 static int
-count_stmts(p)
-	struct block *p;
+count_stmts(struct block *p)
 {
 	int n;
 
@@ -1798,8 +1745,7 @@ count_stmts(p)
  * from the total number of blocks and/or statements.
  */
 static void
-opt_init(root)
-	struct block *root;
+opt_init(struct block *root)
 {
 	bpf_u_int32 *p;
 	int i, n, max_stmts;
@@ -1927,8 +1873,7 @@ int bids[1000];
  * properly.
  */
 static int
-convert_code_r(p)
-	struct block *p;
+convert_code_r(struct block *p)
 {
 	struct bpf_insn *dst;
 	struct slist *src;
@@ -2086,9 +2031,7 @@ filled:
  * BPF array representation.  Set *lenp to the number of instructions.
  */
 struct bpf_insn *
-icode_to_fcode(root, lenp)
-	struct block *root;
-	int *lenp;
+icode_to_fcode(struct block *root, int *lenp)
 {
 	int n;
 	struct bpf_insn *fp;
diff --git a/lib/libpcap/scanner.l b/lib/libpcap/scanner.l
index ffae10e1951..c1e991c5a44 100644
--- a/lib/libpcap/scanner.l
+++ b/lib/libpcap/scanner.l
@@ -1,5 +1,5 @@
 %{
-/*	$OpenBSD: scanner.l,v 1.28 2020/08/03 03:40:02 dlg Exp $	*/
+/*	$OpenBSD: scanner.l,v 1.29 2024/04/05 18:01:56 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
@@ -317,8 +317,7 @@ tcp-urg			{ yylval.i = 0x20; return NUM; }
 			}
 %%
 void
-lex_init(buf)
-	const char *buf;
+lex_init(const char *buf)
 {
 	in_buffer = buf;
 	yyrestart(NULL);
@@ -336,8 +335,7 @@ yywrap()
 
 /* Hex digit to integer. */
 static inline int
-xdtoi(c)
-	int c;
+xdtoi(int c)
 {
 	if (isdigit(c))
 		return c - '0';
@@ -352,8 +350,7 @@ xdtoi(c)
  * preceding 0x or 0 and uses hex or octal instead of decimal.
  */
 static int
-stoi(s)
-	char *s;
+stoi(char *s)
 {
 	int base = 10;
 	int n = 0;
-- 
2.20.1