diff --git a/extra/io/unix/sockets/sockets.factor b/extra/io/unix/sockets/sockets.factor
index 43c8224c2c..0787a1afde 100644
--- a/extra/io/unix/sockets/sockets.factor
+++ b/extra/io/unix/sockets/sockets.factor
@@ -45,9 +45,9 @@ M: connect-task task-container drop write-tasks get-global ;
     [ swap <connect-task> add-io-task stop ] callcc0 drop ;
 
 M: unix-io (client) ( addrspec -- stream )
-    dup make-sockaddr >r >r
+    dup make-sockaddr/size >r >r
     protocol-family SOCK_STREAM socket-fd
-    dup r> r> heap-size connect
+    dup r> r> connect
     zero? err_no EINPROGRESS = or [
         dup init-client-socket
         dup handle>duplex-stream
@@ -92,7 +92,7 @@ USE: io.sockets
 : server-fd ( addrspec type -- fd )
     >r dup protocol-family r>  socket-fd
     dup init-server-socket
-    dup rot make-sockaddr heap-size bind
+    dup rot make-sockaddr/size bind
     zero? [ dup close (io-error) ] unless ;
 
 M: unix-io <server> ( addrspec -- stream )
@@ -190,20 +190,19 @@ M: send-task task-container drop write-tasks get ;
 
 M: unix-io send ( packet addrspec datagram -- )
     3dup check-datagram-send
-    [ >r make-sockaddr heap-size r> wait-send ] keep
+    [ >r make-sockaddr/size r> wait-send ] keep
     pending-error ;
 
 M: local protocol-family drop PF_UNIX ;
 
-M: local sockaddr-type drop "sockaddr-un" ;
+M: local sockaddr-type drop "sockaddr-un" c-type ;
 
 M: local make-sockaddr
     local-path
     dup length 1 + max-un-path > [ "Path too long" throw ] when
     "sockaddr-un" <c-object>
     AF_UNIX over set-sockaddr-un-family
-    dup sockaddr-un-path rot string>char-alien dup length memcpy
-   "sockaddr-un" ;
+    dup sockaddr-un-path rot string>char-alien dup length memcpy ;
 
 M: local parse-sockaddr
     drop
diff --git a/extra/io/windows/ce/ce.factor b/extra/io/windows/ce/ce.factor
index 7023d88989..b45f2df4d7 100644
--- a/extra/io/windows/ce/ce.factor
+++ b/extra/io/windows/ce/ce.factor
@@ -153,7 +153,7 @@ M: windows-ce-io WSASocket-flags ( -- DWORD ) 0 ;
 
 : do-connect ( addrspec -- socket )
     [ tcp-socket dup ] keep
-    make-sockaddr heap-size
+    make-sockaddr/size
     f f f f windows.winsock:WSAConnect zero? [
         winsock-error-string throw
     ] unless ;
@@ -227,7 +227,7 @@ M: windows-ce-io send ( packet addrspec datagram -- )
     [ windows.winsock:set-WSABUF-len ] keep
     [ windows.winsock:set-WSABUF-buf ] keep
     
-    rot make-sockaddr heap-size
+    rot make-sockaddr/size
     >r >r 1 0 <uint> 0 r> r> f f 
     windows.winsock:WSASendTo zero? [
         winsock-error-string throw
diff --git a/extra/io/windows/nt/sockets/sockets.factor b/extra/io/windows/nt/sockets/sockets.factor
index 0767c08002..1b6288eb1d 100755
--- a/extra/io/windows/nt/sockets/sockets.factor
+++ b/extra/io/windows/nt/sockets/sockets.factor
@@ -29,8 +29,7 @@ TUPLE: ConnectEx-args port
     s* name* namelen* lpSendBuffer* dwSendDataLength*
     lpdwBytesSent* lpOverlapped* ptr* ;
 
-: init-connect ( sockaddr sockaddr-name ConnectEx -- )
-    >r heap-size r>
+: init-connect ( sockaddr size ConnectEx -- )
     [ set-ConnectEx-args-namelen* ] keep
     [ set-ConnectEx-args-name* ] keep
     f over set-ConnectEx-args-lpSendBuffer*
@@ -55,7 +54,7 @@ TUPLE: ConnectEx-args port
 M: windows-nt-io (client) ( addrspec -- duplex-stream )
     [
         \ ConnectEx-args construct-empty
-        over make-sockaddr pick init-connect
+        over make-sockaddr/size pick init-connect
         over tcp-socket over set-ConnectEx-args-s*
         dup ConnectEx-args-s* add-completion
         dup ConnectEx-args-s* get-ConnectEx-ptr over set-ConnectEx-args-ptr*
@@ -229,9 +228,9 @@ TUPLE: WSASendTo-args port
         >r delegate port-handle delegate win32-file-handle r>
         set-WSASendTo-args-s*
     ] keep [
-        >r make-sockaddr >r
+        >r make-sockaddr/size >r
         malloc-byte-array dup free-always
-        r> heap-size r>
+        r> r>
         [ set-WSASendTo-args-iToLen* ] keep
         set-WSASendTo-args-lpTo*
     ] keep [
diff --git a/extra/io/windows/windows.factor b/extra/io/windows/windows.factor
index f46af26568..8d6d7cb6f2 100644
--- a/extra/io/windows/windows.factor
+++ b/extra/io/windows/windows.factor
@@ -175,7 +175,7 @@ USE: windows.winsock
 : server-fd ( addrspec type -- fd )
     >r dup protocol-family r> open-socket
         dup close-socket-later
-    dup rot make-sockaddr heap-size bind socket-error ;
+    dup rot make-sockaddr/size bind socket-error ;
 
 USE: namespaces