--- a/src/os/win32/ngx_init.c
+++ b/src/os/win32/ngx_init.c
@@ -14,11 +14,73 @@ ngx_os_io_t ngx_os_io = {
 };
 
 
+/* Should these pointers be per protocol ? */
+LPFN_ACCEPTEX              acceptex;
+LPFN_GETACCEPTEXSOCKADDRS  getacceptexsockaddrs;
+LPFN_TRANSMITFILE          transmitfile;
+
+static GUID ae_guid = WSAID_ACCEPTEX;
+static GUID as_guid = WSAID_GETACCEPTEXSOCKADDRS;
+static GUID tf_guid = WSAID_TRANSMITFILE;
+
+
 int ngx_os_init(ngx_log_t *log)
 {
-    if (ngx_init_sockets(log) == NGX_ERROR) {
+    DWORD    bytes;
+    SOCKET   s;
+    WSADATA  wsd;
+
+    /* init Winsock */
+
+    if (WSAStartup(MAKEWORD(2,2), &wsd) != 0) {
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
+                      "WSAStartup failed");
+        return NGX_ERROR;
+    }
+
+    ngx_log_error(NGX_LOG_INFO, log, 0, "max sockets: %d", wsd.iMaxSockets);
+
+    /* get AcceptEx(), GetAcceptExSockAddrs() and TransmitFile() addresses */
+
+    s = ngx_socket(AF_INET, SOCK_STREAM, IPPROTO_IP, 0);
+    if (s == -1) {
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
+                      ngx_socket_n " %s falied");
         return NGX_ERROR;
     }
 
+    if (WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER, &ae_guid, sizeof(GUID),
+                 &acceptex, sizeof(LPFN_ACCEPTEX), &bytes, NULL, NULL) == -1) {
+
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
+                      "WSAIoctl(SIO_GET_EXTENSION_FUNCTION_POINTER, "
+                               "WSAID_ACCEPTEX) failed");
+        return NGX_ERROR;
+    }
+
+    if (WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER, &as_guid, sizeof(GUID),
+                 &getacceptexsockaddrs, sizeof(LPFN_GETACCEPTEXSOCKADDRS),
+                 &bytes, NULL, NULL) == -1) {
+
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
+                      "WSAIoctl(SIO_GET_EXTENSION_FUNCTION_POINTER, "
+                               "WSAID_ACCEPTEX) failed");
+        return NGX_ERROR;
+    }
+
+    if (WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER, &tf_guid, sizeof(GUID),
+                 &transmitfile, sizeof(LPFN_TRANSMITFILE), &bytes,
+                                                           NULL, NULL) == -1) {
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
+                      "WSAIoctl(SIO_GET_EXTENSION_FUNCTION_POINTER, "
+                               "WSAID_TRANSMITFILE) failed");
+        return NGX_ERROR;
+    }
+
+    if (ngx_close_socket(s) == -1) {
+        ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
+                      ngx_close_socket_n " failed");
+    }
+
     return NGX_OK;
 }