diff --git a/include/sigar_private.h b/include/sigar_private.h
index f64baf2f..8e6728bf 100644
--- a/include/sigar_private.h
+++ b/include/sigar_private.h
@@ -66,6 +66,9 @@
 /* cpu ticks to seconds */
 #define SIGAR_TICK2SEC(s) ((s) / sigar->ticks)
 
+#define IFTYPE_LO  2
+#define IFTYPE_ETH 3
+
 #define SIGAR_LAST_PROC_EXPIRE 2
 
 #define SIGAR_FS_MAX 10
@@ -212,4 +215,8 @@ int sigar_group_name_get(sigar_t *sigar, int gid, char *buf, int buflen);
     fsusage->disk_read_bytes = fsusage->disk_write_bytes = \
     fsusage->disk_queue = SIGAR_FIELD_NOTIMPL;
 
+#if defined(WIN32) || defined(NETWARE)
+int sigar_get_iftype(const char *name, int *type, int *inst);
+#endif
+
 #endif
diff --git a/src/os/netware/Makefile b/src/os/netware/Makefile
index 99261ffe..0609b30b 100644
--- a/src/os/netware/Makefile
+++ b/src/os/netware/Makefile
@@ -46,7 +46,8 @@ SIGAR_SRC = \
 ..\..\sigar_cache.c \
 ..\..\sigar_getline.c \
 ..\..\sigar_fileinfo.c \
-..\..\sigar_util.c
+..\..\sigar_util.c \
+..\..\sigar_win32ish.c \
 
 JNI_SRC = $(JBINDINGS)\src\jni\javasigar.c
 
diff --git a/src/os/netware/netware_sigar.c b/src/os/netware/netware_sigar.c
index d8354612..5f0a2de1 100644
--- a/src/os/netware/netware_sigar.c
+++ b/src/os/netware/netware_sigar.c
@@ -292,19 +292,6 @@ int sigar_net_route_list_get(sigar_t *sigar,
     return SIGAR_ENOTIMPL;
 }
 
-int sigar_net_interface_list_get(sigar_t *sigar,
-                                 sigar_net_interface_list_t *iflist)
-{
-    return SIGAR_ENOTIMPL;
-}
-
-int sigar_net_interface_config_get(sigar_t *sigar,
-                                   const char *name,
-                                   sigar_net_interface_config_t *ifconfig)
-{
-    return SIGAR_ENOTIMPL;
-}
-
 int sigar_net_interface_stat_get(sigar_t *sigar, const char *name,
                                  sigar_net_interface_stat_t *ifstat)
 {
diff --git a/src/os/win32/win32_sigar.c b/src/os/win32/win32_sigar.c
index 1ab93ec8..10d041c5 100644
--- a/src/os/win32/win32_sigar.c
+++ b/src/os/win32/win32_sigar.c
@@ -311,23 +311,6 @@ char *sigar_os_error_string(sigar_t *sigar, int err)
     return NULL;
 }
 
-int sigar_wsa_init(sigar_t *sigar)
-{
-    if (sigar->ws_version == 0) {
-        WSADATA data;
-
-        if (WSAStartup(MAKEWORD(2, 0), &data)) {
-            sigar->ws_error = WSAGetLastError();
-            WSACleanup();
-            return sigar->ws_error;
-        }
-
-        sigar->ws_version = data.wVersion;
-    }
-
-    return SIGAR_OK;
-}
-
 SIGAR_DECLARE(int) sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem)
 {
     MEMORYSTATUS memstat;
@@ -1741,31 +1724,6 @@ SIGAR_DECLARE(int) sigar_net_route_list_get(sigar_t *sigar,
     return SIGAR_OK;
 }
 
-#define IFTYPE_LO  2
-#define IFTYPE_ETH 3
-
-static int get_iftype(const char *name, int *type, int *inst)
-{
-    if (strnEQ(name, "eth", IFTYPE_ETH)) {
-        *type = IFTYPE_ETH;
-    }
-    else if (strnEQ(name, "lo", IFTYPE_LO)) {
-        *type = IFTYPE_LO;
-    }
-    else {
-        return EINVAL;
-    }
-
-    if (isdigit(*(name + *type))) {
-        *inst = atoi(name + *type);
-    }
-    else {
-        return EINVAL;
-    }
-
-    return SIGAR_OK;
-}
-
 SIGAR_DECLARE(int)
 sigar_net_interface_stat_get(sigar_t *sigar, const char *name,
                              sigar_net_interface_stat_t *ifstat)
@@ -1778,7 +1736,7 @@ sigar_net_interface_stat_get(sigar_t *sigar, const char *name,
     DWORD lo=0, eth=0;
     int status, type, inst;
 
-    if ((status = get_iftype(name, &type, &inst)) != SIGAR_OK) {
+    if ((status = sigar_get_iftype(name, &type, &inst)) != SIGAR_OK) {
         return status;
     }
 
@@ -1848,220 +1806,6 @@ sigar_net_interface_stat_get(sigar_t *sigar, const char *name,
     return SIGAR_OK;
 }
 
-static int get_iflist(sigar_t *sigar, char *buffer, DWORD buflen, DWORD *bytes)
-{
-    SOCKET sock = INVALID_SOCKET;
-    DWORD rc;
-    int status = sigar_wsa_init(sigar);
-
-    if (status != SIGAR_OK) {
-        return status;
-    }
-
-    sock = WSASocket(PF_INET, SOCK_RAW, AF_INET, 0, 0, 0);
-    if (sock == INVALID_SOCKET) {
-        return WSAGetLastError();
-    }
-
-    rc = WSAIoctl(sock,
-                  SIO_GET_INTERFACE_LIST,
-                  NULL,
-                  0,
-                  (void *)buffer,
-                  buflen,
-                  bytes,
-                  0,
-                  0);
-
-    status = rc ? WSAGetLastError() : SIGAR_OK;
-
-    closesocket(sock);
-
-    return status;
-}
-
-#include <nb30.h>
-
-static void hwaddr_lookup(sigar_net_interface_config_t *ifconfig, int num)
-{
-    NCB ncb;
-    UCHAR rc;
-    struct {
-        ADAPTER_STATUS status;
-        NAME_BUFFER name[30];
-    } adapter;
-
-    memset(&ncb, 0, sizeof(ncb));
-    ncb.ncb_command = NCBRESET;
-    ncb.ncb_lana_num = num;
-    Netbios(&ncb);
-
-    memset(&ncb, 0, sizeof(ncb));
-    ncb.ncb_command = NCBASTAT;
-    ncb.ncb_lana_num = num;
-
-    /*
-     * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netbios/netbios_1l82.asp
-     * mdsn docs claim this needs to be padded with spaces and
-     * suggest the following silly code:
-     * strcpy(ncb.ncb_callname,  "*               ");
-     */
-    ncb.ncb_callname[0] = '*';
-    memset(&ncb.ncb_callname[1], ' ',
-           sizeof(ncb.ncb_callname)-1);
-
-    ncb.ncb_callname[sizeof(ncb.ncb_callname)] = '\0';
-
-    ncb.ncb_buffer = (unsigned char *)&adapter;
-    ncb.ncb_length = sizeof(adapter);
-    if ((rc = Netbios(&ncb)) == 0) {
-        sigar_hwaddr_format(ifconfig->hwaddr,
-                            adapter.status.adapter_address);
-    }
-    else {
-        sigar_hwaddr_set_null(ifconfig);
-    }
-}
-
-SIGAR_DECLARE(int)
-sigar_net_interface_config_get(sigar_t *sigar,
-                               const char *name,
-                               sigar_net_interface_config_t *ifconfig)
-{
-    char buffer[8192];
-    DWORD i, num, bytes, inst;
-    DWORD lo=0, eth=0;
-    int status, type;
-    INTERFACE_INFO *if_info = NULL;
-    u_long flags;
-
-    /* win32 lacks socket ioctls to query given interface.
-     * so we loop through the list to find our made up ifname.
-     */
-    status = get_iflist(sigar, buffer, sizeof(buffer), &bytes);
-    if (status != SIGAR_OK) {
-        return status;
-    }
-
-    num = bytes / sizeof(INTERFACE_INFO);
-
-    if ((status = get_iftype(name, &type, &inst)) != SIGAR_OK) {
-      return status;
-    }
-
-    for (i=0; i<num ; i++) {
-        if_info = ((INTERFACE_INFO *)buffer) + i;
-
-        if (if_info->iiFlags & IFF_LOOPBACK) {
-            if ((type == IFTYPE_LO) && (inst == lo)) {
-                break;
-            }
-            ++lo;
-        }
-        else {
-            if ((type == IFTYPE_ETH) && (inst == eth)) {
-                break;
-            }
-            ++eth;
-        }
-
-        if_info = NULL;
-    }
-
-    if (!if_info) {
-        return ENOENT;
-    }
-
-    SIGAR_ZERO(ifconfig);
-
-    SIGAR_SSTRCPY(ifconfig->name, name);
-
-#define if_s_addr(a) \
-    ((struct sockaddr_in *)&a)->sin_addr.s_addr
-
-    ifconfig->address   = if_s_addr(if_info->iiAddress);
-    ifconfig->broadcast = if_s_addr(if_info->iiBroadcastAddress);
-    ifconfig->netmask   = if_s_addr(if_info->iiNetmask);
-
-    flags = if_info->iiFlags;
-
-    if (flags & IFF_UP) {
-        ifconfig->flags |= SIGAR_IFF_UP|SIGAR_IFF_RUNNING;
-    }
-    if (flags & IFF_BROADCAST) {
-        ifconfig->flags |= SIGAR_IFF_BROADCAST;
-    }
-    if (flags & IFF_LOOPBACK) {
-        ifconfig->flags |= SIGAR_IFF_LOOPBACK;
-        ifconfig->destination = ifconfig->address;
-        ifconfig->broadcast = 0;
-        sigar_hwaddr_set_null(ifconfig);
-    }
-    else {
-        hwaddr_lookup(ifconfig, i);
-    }
-    if (flags & IFF_POINTTOPOINT) {
-        ifconfig->flags |= SIGAR_IFF_POINTOPOINT;
-    }
-    if (flags & IFF_MULTICAST) {
-        ifconfig->flags |= SIGAR_IFF_MULTICAST;
-    }
-
-    return SIGAR_OK;
-}
-
-/*
- * win32 interface list does not include a name.
- * and the name from GetIfList() is the name of card
- * including vendor name, etc.  so we use 'eth' for ethernet
- * interfaces and 'lo' for loopback.
- */
-
-#define ETH "eth"
-#define LO  "lo"
-
-SIGAR_DECLARE(int)
-sigar_net_interface_list_get(sigar_t *sigar,
-                             sigar_net_interface_list_t *iflist)
-{
-    char eth[56], lo[56];
-    int ethcnt=0, locnt=0;
-    char buffer[8192];
-    DWORD i, num, bytes;
-    int status;
-    
-    status = get_iflist(sigar, buffer, sizeof(buffer), &bytes);
-    if (status != SIGAR_OK) {
-        return status;
-    }
-
-    num = bytes / sizeof(INTERFACE_INFO);
-
-    iflist->number = 0;
-    iflist->size = num;
-    iflist->data =
-        malloc(sizeof(*(iflist->data)) * iflist->size);
-
-    for (i=0; i<num ; i++) {
-        INTERFACE_INFO *if_info = ((INTERFACE_INFO *)buffer) + i;
-        char *name;
-
-        if (if_info->iiFlags & IFF_LOOPBACK) {
-            sprintf(lo, LO "%d", locnt++);
-            name = strdup(lo);
-        }
-        else {
-            /* XXX: assuming ethernet here */
-            sprintf(eth, ETH "%d", ethcnt++);
-            name = strdup(eth);
-        }
-
-        iflist->data[iflist->number++] = name;
-    }
-
-    return SIGAR_OK;
-}
-
 #define IS_TCP_SERVER(state, flags) \
     ((flags & SIGAR_NETCONN_SERVER) && (state == MIB_TCP_STATE_LISTEN))
 
diff --git a/src/sigar_win32ish.c b/src/sigar_win32ish.c
new file mode 100644
index 00000000..d24bfb92
--- /dev/null
+++ b/src/sigar_win32ish.c
@@ -0,0 +1,286 @@
+#if defined(WIN32) || defined(NETWARE)
+
+#define WIN32_LEAN_AND_MEAN
+
+#include "sigar.h"
+#include "sigar_private.h"
+#include "sigar_os.h"
+#include "sigar_util.h"
+
+#include <errno.h>
+#include <windows.h>
+#ifdef NETWARE
+#include <stdio.h>
+#include <novsock2.h>
+#include <ws2tcpip.h>
+#endif
+
+int sigar_get_iftype(const char *name, int *type, int *inst)
+{
+    if (strnEQ(name, "eth", IFTYPE_ETH)) {
+        *type = IFTYPE_ETH;
+    }
+    else if (strnEQ(name, "lo", IFTYPE_LO)) {
+        *type = IFTYPE_LO;
+    }
+    else {
+        return EINVAL;
+    }
+
+    if (isdigit(*(name + *type))) {
+        *inst = atoi(name + *type);
+    }
+    else {
+        return EINVAL;
+    }
+
+    return SIGAR_OK;
+}
+
+#ifdef WIN32
+int sigar_wsa_init(sigar_t *sigar)
+{
+    if (sigar->ws_version == 0) {
+        WSADATA data;
+
+        if (WSAStartup(MAKEWORD(2, 0), &data)) {
+            sigar->ws_error = WSAGetLastError();
+            WSACleanup();
+            return sigar->ws_error;
+        }
+
+        sigar->ws_version = data.wVersion;
+    }
+
+    return SIGAR_OK;
+}
+
+#include <nb30.h>
+
+static void hwaddr_lookup(sigar_net_interface_config_t *ifconfig, int num)
+{
+    NCB ncb;
+    UCHAR rc;
+    struct {
+        ADAPTER_STATUS status;
+        NAME_BUFFER name[30];
+    } adapter;
+
+    memset(&ncb, 0, sizeof(ncb));
+    ncb.ncb_command = NCBRESET;
+    ncb.ncb_lana_num = num;
+    Netbios(&ncb);
+
+    memset(&ncb, 0, sizeof(ncb));
+    ncb.ncb_command = NCBASTAT;
+    ncb.ncb_lana_num = num;
+
+    /*
+     * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netbios/netbios_1l82.asp
+     * mdsn docs claim this needs to be padded with spaces and
+     * suggest the following silly code:
+     * strcpy(ncb.ncb_callname,  "*               ");
+     */
+    ncb.ncb_callname[0] = '*';
+    memset(&ncb.ncb_callname[1], ' ',
+           sizeof(ncb.ncb_callname)-1);
+
+    ncb.ncb_callname[sizeof(ncb.ncb_callname)] = '\0';
+
+    ncb.ncb_buffer = (unsigned char *)&adapter;
+    ncb.ncb_length = sizeof(adapter);
+    if ((rc = Netbios(&ncb)) == 0) {
+        sigar_hwaddr_format(ifconfig->hwaddr,
+                            adapter.status.adapter_address);
+    }
+    else {
+        sigar_hwaddr_set_null(ifconfig);
+    }
+}
+
+#else /* NETWARE */
+
+static void hwaddr_lookup(sigar_net_interface_config_t *ifconfig, int num)
+{
+    sigar_hwaddr_set_null(ifconfig);
+}
+
+#endif /* WIN32 */
+
+static int get_iflist(sigar_t *sigar, char *buffer, DWORD buflen, DWORD *bytes)
+{
+    SOCKET sock = INVALID_SOCKET;
+    int status, rc;
+
+#ifdef WIN32
+    status = sigar_wsa_init(sigar);
+
+    if (status != SIGAR_OK) {
+        return status;
+    }
+    sock = WSASocket(PF_INET, SOCK_RAW, AF_INET, 0, 0, 0);
+#else
+    sock = socket(AF_INET, SOCK_DGRAM, 0);
+#endif
+
+    if (sock == INVALID_SOCKET) {
+        return WSAGetLastError();
+    }
+
+    rc = WSAIoctl(sock,
+                  SIO_GET_INTERFACE_LIST,
+                  NULL,
+                  0,
+                  (void *)buffer,
+                  buflen,
+                  (unsigned int*)bytes,
+                  NULL,
+                  NULL);
+
+    status = rc ? WSAGetLastError() : SIGAR_OK;
+
+    closesocket(sock);
+
+    return status;
+}
+
+SIGAR_DECLARE(int)
+sigar_net_interface_config_get(sigar_t *sigar,
+                               const char *name,
+                               sigar_net_interface_config_t *ifconfig)
+{
+    char buffer[8192];
+    DWORD i, num, bytes;
+    DWORD lo=0, eth=0;
+    int status, type, inst;
+    INTERFACE_INFO *if_info = NULL;
+    u_long flags;
+
+    /* win32 lacks socket ioctls to query given interface.
+     * so we loop through the list to find our made up ifname.
+     */
+    status = get_iflist(sigar, buffer, sizeof(buffer), &bytes);
+    if (status != SIGAR_OK) {
+        return status;
+    }
+
+    num = bytes / sizeof(INTERFACE_INFO);
+
+    if ((status = sigar_get_iftype(name, &type, &inst)) != SIGAR_OK) {
+        return status;
+    }
+
+    for (i=0; i<num ; i++) {
+        if_info = ((INTERFACE_INFO *)buffer) + i;
+
+        if (if_info->iiFlags & IFF_LOOPBACK) {
+            if ((type == IFTYPE_LO) && (inst == lo)) {
+                break;
+            }
+            ++lo;
+        }
+        else {
+            if ((type == IFTYPE_ETH) && (inst == eth)) {
+                break;
+            }
+            ++eth;
+        }
+
+        if_info = NULL;
+    }
+
+    if (!if_info) {
+        return ENOENT;
+    }
+
+    SIGAR_ZERO(ifconfig);
+
+    SIGAR_SSTRCPY(ifconfig->name, name);
+
+#define if_s_addr(a) \
+    ((struct sockaddr_in *)&a)->sin_addr.s_addr
+
+    ifconfig->address   = if_s_addr(if_info->iiAddress);
+    ifconfig->broadcast = if_s_addr(if_info->iiBroadcastAddress);
+    ifconfig->netmask   = if_s_addr(if_info->iiNetmask);
+
+    flags = if_info->iiFlags;
+
+    if (flags & IFF_UP) {
+        ifconfig->flags |= SIGAR_IFF_UP|SIGAR_IFF_RUNNING;
+    }
+    if (flags & IFF_BROADCAST) {
+        ifconfig->flags |= SIGAR_IFF_BROADCAST;
+    }
+    if (flags & IFF_LOOPBACK) {
+        ifconfig->flags |= SIGAR_IFF_LOOPBACK;
+        ifconfig->destination = ifconfig->address;
+        ifconfig->broadcast = 0;
+        sigar_hwaddr_set_null(ifconfig);
+    }
+    else {
+        hwaddr_lookup(ifconfig, i);
+    }
+    if (flags & IFF_POINTTOPOINT) {
+        ifconfig->flags |= SIGAR_IFF_POINTOPOINT;
+    }
+    if (flags & IFF_MULTICAST) {
+        ifconfig->flags |= SIGAR_IFF_MULTICAST;
+    }
+
+    return SIGAR_OK;
+}
+
+/*
+ * win32 interface list does not include a name.
+ * and the name from GetIfList() is the name of card
+ * including vendor name, etc.  so we use 'eth' for ethernet
+ * interfaces and 'lo' for loopback.
+ */
+
+#define ETH "eth"
+#define LO  "lo"
+
+SIGAR_DECLARE(int)
+sigar_net_interface_list_get(sigar_t *sigar,
+                             sigar_net_interface_list_t *iflist)
+{
+    char eth[56], lo[56];
+    int ethcnt=0, locnt=0;
+    char buffer[8192];
+    DWORD i, num, bytes;
+    int status;
+    
+    status = get_iflist(sigar, buffer, sizeof(buffer), &bytes);
+    if (status != SIGAR_OK) {
+        return status;
+    }
+
+    num = bytes / sizeof(INTERFACE_INFO);
+
+    iflist->number = 0;
+    iflist->size = num;
+    iflist->data =
+        malloc(sizeof(*(iflist->data)) * iflist->size);
+
+    for (i=0; i<num ; i++) {
+        INTERFACE_INFO *if_info = ((INTERFACE_INFO *)buffer) + i;
+        char *name;
+
+        if (if_info->iiFlags & IFF_LOOPBACK) {
+            sprintf(lo, LO "%d", locnt++);
+            name = strdup(lo);
+        }
+        else {
+            /* XXX: assuming ethernet here */
+            sprintf(eth, ETH "%d", ethcnt++);
+            name = strdup(eth);
+        }
+
+        iflist->data[iflist->number++] = name;
+    }
+
+    return SIGAR_OK;
+}
+
+#endif /* WIN32ISH */