diff --git a/lib/libc/net/sctp_sys_calls.c b/lib/libc/net/sctp_sys_calls.c
index 6746c385a8cc..5c0f025faa1c 100644
--- a/lib/libc/net/sctp_sys_calls.c
+++ b/lib/libc/net/sctp_sys_calls.c
@@ -290,7 +290,7 @@ sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
 	struct sockaddr *re;
 	sctp_assoc_t asoc;
 	caddr_t lim;
-	size_t siz;
+	socklen_t siz;
 	int cnt;
 
 	if (raddrs == NULL) {
@@ -300,7 +300,7 @@ sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
 	asoc = id;
 	siz = sizeof(sctp_assoc_t);
 	if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_REMOTE_ADDR_SIZE,
-	    &asoc, (socklen_t *) & siz) != 0) {
+	    &asoc,  &siz) != 0) {
 		errno = ENOMEM;
 		return (-1);
 	}
@@ -316,7 +316,7 @@ sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
 	addrs->sget_assoc_id = id;
 	/* Now lets get the array of addresses */
 	if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_PEER_ADDRESSES,
-	    addrs, (socklen_t *) & siz) != 0) {
+	    addrs,  &siz) != 0) {
 		free(addrs);
 		errno = ENOMEM;
 		return (-1);
@@ -352,7 +352,7 @@ sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
 	caddr_t lim;
 	struct sockaddr *sa;
 	int size_of_addresses;
-	size_t siz;
+	socklen_t siz;
 	int cnt;
 
 	if (raddrs == NULL) {
@@ -362,7 +362,7 @@ sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
 	size_of_addresses = 0;
 	siz = sizeof(int);
 	if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDR_SIZE,
-	    &size_of_addresses, (socklen_t *) & siz) != 0) {
+	    &size_of_addresses, &siz) != 0) {
 		errno = ENOMEM;
 		return (-1);
 	}
@@ -381,7 +381,7 @@ sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs)
 	addrs->sget_assoc_id = id;
 	/* Now lets get the array of addresses */
 	if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs,
-	    (socklen_t *) & siz) != 0) {
+	    &siz) != 0) {
 		free(addrs);
 		errno = ENOMEM;
 		return (-1);