--- a/src/internet-stack/nsc-tcp-socket-impl.cc	Tue Nov 18 15:12:12 2008 +0000
+++ b/src/internet-stack/nsc-tcp-socket-impl.cc	Tue Nov 18 23:14:02 2008 +0100
@@ -485,13 +485,12 @@
   // address <-> Socket handling is done by NSC internally.
   // We only need to add the new ns-3 socket to the list of sockets, so
   // we use plain Allocate() instead of Allocate(m_localAddress, ... )
-  uint8_t buf[4];
-  int port;
-  size_t buflen = sizeof(buf);
+  struct sockaddr_in sin;
+  size_t sin_len = sizeof(sin);
 
-  if (0 == m_nscTcpSocket->getpeername((void *) buf, &buflen, &port)) {
-    m_remotePort = ntohs(port);
-    m_remoteAddress = m_remoteAddress.Deserialize(buf);
+  if (0 == m_nscTcpSocket->getpeername((struct sockaddr*) &sin, &sin_len)) {
+    m_remotePort = ntohs(sin.sin_port);
+    m_remoteAddress = m_remoteAddress.Deserialize((const uint8_t*) &sin.sin_addr);
     m_peerAddress = InetSocketAddress(m_remoteAddress, m_remotePort);
   }
 
@@ -501,9 +500,10 @@
   NS_ASSERT(m_state == LISTEN);
   m_state = ESTABLISHED;
 
-  buflen = sizeof(buf);
-  if (0 == m_nscTcpSocket->getsockname((void *) &buf, &buflen, &port))
-    m_localAddress = m_localAddress.Deserialize(buf);
+  sin_len = sizeof(sin);
+
+  if (0 == m_nscTcpSocket->getsockname((struct sockaddr *) &sin, &sin_len))
+    m_localAddress = m_localAddress.Deserialize((const uint8_t*) &sin.sin_addr);
 
   NS_LOG_LOGIC ("NscTcpSocketImpl " << this << " accepted connection from " 
                  << m_remoteAddress << ":" << m_remotePort
@@ -519,13 +519,11 @@
 { // We would preferred to have scheduled an event directly to
   // NotifyConnectionSucceeded, but (sigh) these are protected
   // and we can get the address of it :(
-
-  uint8_t buf[4];
-  int port;
-  size_t buflen = sizeof(buf);
-  if (0 == m_nscTcpSocket->getsockname((void *) &buf, &buflen, &port)) {
-    m_localAddress = m_localAddress.Deserialize(buf);
-    m_localPort = ntohs(port);
+  struct sockaddr_in sin;
+  size_t sin_len = sizeof(sin);
+  if (0 == m_nscTcpSocket->getsockname((struct sockaddr *) &sin, &sin_len)) {
+    m_localAddress = m_localAddress.Deserialize((const uint8_t*)&sin.sin_addr);
+    m_localPort = ntohs(sin.sin_port);
   }
 
   NS_LOG_LOGIC ("NscTcpSocketImpl " << this << " connected to "

--- a/src/internet-stack/sim_interface.h	Tue Nov 18 15:12:12 2008 +0000
+++ b/src/internet-stack/sim_interface.h	Tue Nov 18 23:14:02 2008 +0100
@@ -20,7 +20,7 @@
 
 */
 
-#define NSC_VERSION 0x000400
+#define NSC_VERSION 0x000500
 
 struct INetStack
 {
@@ -149,21 +149,10 @@
     virtual bool is_connected() = 0;
     virtual bool is_listening() = 0;
 
-    /*
-     * addrspace points to a byte buffer of *addrs_len bytes.
-     * It is filled with a (network order) byte representation of the ip address,
-     * addrs_len is updated to reflect the length (i.e. 4 or eventually 16 for ipv6).
-     * *port is updated with the TCP/SCTP etc. port number.
-     *
-     * The reason that this doesn't use a *struct sockaddr is that the BSDs
-     * have an sa_len member in there, Linux does not, so the struct layout is
-     * different depending on the actual NSC stack and the real host operating
-     * system.
-     */
-    virtual int getpeername(void *addrspace, size_t *addrs_len, int *port) {
+    virtual int getpeername(struct sockaddr *sa, size_t *salen) {
 	    return -1;
     }
-    virtual int getsockname(void *addrspace, size_t *addrs_len, int *port) {
+    virtual int getsockname(struct sockaddr *sa, size_t *salen) {
 	    return -1;
     }
     /* Optional functions used to get and set variables for this TCP