Remove unused variables and assignments.

3 files changed, 3 insertions, 8 deletions

diff --git a/lib/libc/net/getifmaddrs.c b/lib/libc/net/getifmaddrs.c
index 40475ae..adbc4a5 100644
--- a/lib/libc/net/getifmaddrs.c
+++ b/lib/libc/net/getifmaddrs.c
@@ -60,14 +60,12 @@ getifmaddrs(struct ifmaddrs **pif)
 	int icnt = 1;
 	int dcnt = 0;
 	int ntry = 0;
-	u_short idx = 0;
 	size_t len;
 	size_t needed;
 	int mib[6];
 	int i;
 	char *buf;
 	char *data;
-	char *names;
 	char *next;
 	char *p;
 	struct ifma_msghdr *ifmam;
@@ -128,12 +126,10 @@ getifmaddrs(struct ifmaddrs **pif)
 
 	ifa = (struct ifmaddrs *)(void *)data;
 	data += sizeof(struct ifmaddrs) * icnt;
-	names = data + dcnt;
 
 	memset(ifa, 0, sizeof(struct ifmaddrs) * icnt);
 	ift = ifa;
 
-	idx = 0;
 	for (next = buf; next < buf + needed; next += rtm->rtm_msglen) {
 		rtm = (struct rt_msghdr *)(void *)next;
 		if (rtm->rtm_version != RTM_VERSION)
diff --git a/lib/libc/net/res_comp.c b/lib/libc/net/res_comp.c
index ef99c22..2e22483 100644
--- a/lib/libc/net/res_comp.c
+++ b/lib/libc/net/res_comp.c
@@ -158,7 +158,7 @@ int
 res_hnok(dn)
 	const char *dn;
 {
-	int ppch = '\0', pch = PERIOD, ch = *dn++;
+	int pch = PERIOD, ch = *dn++;
 
 	while (ch != '\0') {
 		int nch = *dn++;
@@ -175,7 +175,7 @@ res_hnok(dn)
 			if (!middlechar(ch))
 				return (0);
 		}
-		ppch = pch, pch = ch, ch = nch;
+		pch = ch, ch = nch;
 	}
 	return (1);
 }
diff --git a/lib/libc/net/res_mkupdate.c b/lib/libc/net/res_mkupdate.c
index 6751338..4892235 100644
--- a/lib/libc/net/res_mkupdate.c
+++ b/lib/libc/net/res_mkupdate.c
@@ -62,7 +62,7 @@ int
 res_mkupdate(ns_updrec *rrecp_in, u_char *buf, int buflen) {
 	ns_updrec *rrecp_start = rrecp_in;
 	HEADER *hp;
-	u_char *cp, *sp1, *sp2, *startp, *endp;
+	u_char *cp, *sp2, *startp, *endp;
 	int n, i, soanum, multiline;
 	ns_updrec *rrecp;
 	struct in_addr ina;
@@ -87,7 +87,6 @@ res_mkupdate(ns_updrec *rrecp_in, u_char *buf, int buflen) {
 	hp->id = htons(++_res.id);
 	hp->opcode = ns_o_update;
 	hp->rcode = NOERROR;
-	sp1 = buf + 2*INT16SZ;  /* save pointer to zocount */
 	cp = buf + HFIXEDSZ;
 	buflen -= HFIXEDSZ;
 	dpp = dnptrs;