Added an implementation of iphlpapi.dll; most Get* functions
introduced through Win98 are included.

diff --git a/dlls/iphlpapi/iphlpapi_main.c b/dlls/iphlpapi/iphlpapi_main.c
new file mode 100644
index 0000000..d2d054e
--- /dev/null
+++ b/dlls/iphlpapi/iphlpapi_main.c
@@ -0,0 +1,1397 @@
+/*
+ * iphlpapi dll implementation
+ *
+ * Copyright (C) 2003 Juan Lang
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <resolv.h>
+#include "winbase.h"
+#include "iphlpapi.h"
+#include "ifenum.h"
+#include "ipstats.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(iphlpapi);
+
+
+/******************************************************************
+ *    AddIPAddress (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  Address [In]
+ *  IpMask [In]
+ *  IfIndex [In]
+ *  NTEContext [In/Out]
+ *  NTEInstance [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI AddIPAddress(IPAddr Address, IPMask IpMask, DWORD IfIndex, PULONG NTEContext, PULONG NTEInstance)
+{
+  FIXME(":stub\n");
+  /* marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    CreateIpForwardEntry (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pRoute [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI CreateIpForwardEntry(PMIB_IPFORWARDROW pRoute)
+{
+  /* could use SIOCADDRT, not sure I want to */
+  FIXME(":stub\n");
+  return (DWORD) 0;
+}
+
+
+/******************************************************************
+ *    CreateIpNetEntry (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pArpEntry [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI CreateIpNetEntry(PMIB_IPNETROW pArpEntry)
+{
+  /* could use SIOCSARP on systems that support it, not sure I want to */
+  FIXME(":stub\n");
+  return (DWORD) 0;
+}
+
+
+/******************************************************************
+ *    CreateProxyArpEntry (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  dwAddress [In]
+ *  dwMask [In]
+ *  dwIfIndex [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI CreateProxyArpEntry(DWORD dwAddress, DWORD dwMask, DWORD dwIfIndex)
+{
+  FIXME(":stub\n");
+  /* marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    DeleteIPAddress (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  NTEContext [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI DeleteIPAddress(ULONG NTEContext)
+{
+  FIXME(":stub\n");
+  /* marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    DeleteIpForwardEntry (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pRoute [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI DeleteIpForwardEntry(PMIB_IPFORWARDROW pRoute)
+{
+  /* could use SIOCDELRT, not sure I want to */
+  FIXME(":stub\n");
+  return (DWORD) 0;
+}
+
+
+/******************************************************************
+ *    DeleteIpNetEntry (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pArpEntry [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI DeleteIpNetEntry(PMIB_IPNETROW pArpEntry)
+{
+  /* could use SIOCDARP on systems that support it, not sure I want to */
+  FIXME(":stub\n");
+  return (DWORD) 0;
+}
+
+
+/******************************************************************
+ *    DeleteProxyArpEntry (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  dwAddress [In]
+ *  dwMask [In]
+ *  dwIfIndex [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI DeleteProxyArpEntry(DWORD dwAddress, DWORD dwMask, DWORD dwIfIndex)
+{
+  FIXME(":stub\n");
+  /* marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    EnableRouter (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pHandle [In/Out]
+ *  pOverlapped [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI EnableRouter(HANDLE * pHandle, OVERLAPPED * pOverlapped)
+{
+  FIXME(":stub\n");
+  /* could echo "1" > /proc/net/sys/net/ipv4/ip_forward, not sure I want to
+     could map EACCESS to ERROR_ACCESS_DENIED, I suppose
+     marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    FlushIpNetTable (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  dwIfIndex [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI FlushIpNetTable(DWORD dwIfIndex)
+{
+  FIXME(":stub\n");
+  /* this flushes the arp cache of the given index
+     marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    GetAdapterIndex (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  AdapterName [In/Out]
+ *  IfIndex [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetAdapterIndex(LPWSTR AdapterName, PULONG IfIndex)
+{
+  FIXME(":stub\n");
+  /* marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    GetAdaptersInfo (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pAdapterInfo [In/Out]
+ *  pOutBufLen [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetAdaptersInfo(PIP_ADAPTER_INFO pAdapterInfo, PULONG pOutBufLen)
+{
+  DWORD ret;
+
+  if (!pOutBufLen)
+    ret = ERROR_INVALID_PARAMETER;
+  else {
+    DWORD numNonLoopbackInterfaces = getNumNonLoopbackInterfaces();
+
+    if (numNonLoopbackInterfaces > 0) {
+      /* this calculation assumes only one address in the IP_ADDR_STRING lists.
+         that's okay, because:
+         - we don't get multiple addresses per adapter anyway
+         - we don't know about per-adapter gateways
+         - we don't know about DHCP or WINS (and these must be single anyway) */
+      ULONG size = sizeof(IP_ADAPTER_INFO) * numNonLoopbackInterfaces;
+
+      if (!pAdapterInfo || *pOutBufLen < size) {
+        *pOutBufLen = size;
+        ret = ERROR_BUFFER_OVERFLOW;
+      }
+      else {
+        InterfaceIndexTable *table = getNonLoopbackInterfaceIndexTable();
+
+        if (table) {
+          size = sizeof(IP_ADAPTER_INFO) * table->numIndexes;
+          if (*pOutBufLen < size) {
+            *pOutBufLen = size;
+            ret = ERROR_INSUFFICIENT_BUFFER;
+          }
+          else {
+            DWORD ndx;
+
+            memset(pAdapterInfo, 0, size);
+            for (ndx = 0; ndx < table->numIndexes; ndx++) {
+              PIP_ADAPTER_INFO ptr = &pAdapterInfo[ndx];
+              DWORD addrLen = sizeof(ptr->Address), type;
+
+              /* on Win98 this is left empty, but whatever */
+              strncpy(ptr->AdapterName,
+               getInterfaceNameByIndex(table->indexes[ndx]),
+               sizeof(ptr->AdapterName));
+              ptr->AdapterName[MAX_ADAPTER_NAME_LENGTH] = '\0';
+              getInterfacePhysicalByIndex(table->indexes[ndx], &addrLen,
+               ptr->Address, &type);
+              /* MS defines address length and type as UINT in some places and
+                 DWORD in others, **sigh**.  Don't want to assume that PUINT and
+                 PDWORD are equiv (64-bit?) */
+              ptr->AddressLength = addrLen;
+              ptr->Type = type;
+              ptr->Index = table->indexes[ndx];
+              toIPAddressString(getInterfaceIPAddrByIndex(table->indexes[ndx]),
+               ptr->IpAddressList.IpAddress.String);
+              toIPAddressString(getInterfaceMaskByIndex(table->indexes[ndx]),
+               ptr->IpAddressList.IpMask.String);
+              if (ndx < table->numIndexes + 1)
+                ptr->Next = &pAdapterInfo[ndx + 1];
+            }
+            ret = NO_ERROR;
+          }
+          free(table);
+        }
+        else
+          ret = ERROR_OUTOFMEMORY;
+      }
+    }
+    else
+      ret = ERROR_NO_DATA;
+  }
+  return ret;
+}
+
+
+/******************************************************************
+ *    GetBestInterface (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  dwDestAddr [In]
+ *  pdwBestIfIndex [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetBestInterface(IPAddr dwDestAddr, PDWORD pdwBestIfIndex)
+{
+  FIXME(":stub\n");
+  return (DWORD) 0;
+}
+
+
+/******************************************************************
+ *    GetBestRoute (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  dwDestAddr [In]
+ *  dwSourceAddr [In]
+ *  OUT [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetBestRoute(DWORD dwDestAddr, DWORD dwSourceAddr, PMIB_IPFORWARDROW pBestRoute)
+{
+  FIXME(":stub\n");
+  return (DWORD) 0;
+}
+
+
+/******************************************************************
+ *    GetFriendlyIfIndex (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  IfIndex [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetFriendlyIfIndex(DWORD IfIndex)
+{
+  /* windows doesn't validate these, either, just makes sure the top byte is
+     cleared.  I assume my ipshared module never gives an index with the top
+     byte set. */
+  return IfIndex;
+}
+
+
+/******************************************************************
+ *    GetIcmpStatistics (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pStats [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetIcmpStatistics(PMIB_ICMP pStats)
+{
+  return getICMPStats(pStats);
+}
+
+
+/******************************************************************
+ *    GetIfEntry (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pIfRow [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetIfEntry(PMIB_IFROW pIfRow)
+{
+  DWORD ret;
+  const char *name;
+
+  if (!pIfRow)
+    return ERROR_INVALID_PARAMETER;
+
+  name = getInterfaceNameByIndex(pIfRow->dwIndex);
+  if (name) {
+    ret = getInterfaceEntryByName(name, pIfRow);
+    if (ret == NO_ERROR)
+      ret = getInterfaceStatsByName(name, pIfRow);
+  }
+  else
+    ret = ERROR_INVALID_DATA;
+  return ret;
+}
+
+
+/******************************************************************
+ *    GetIfTable (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pIfTable [In/Out]
+ *  pdwSize [In/Out]
+ *  bOrder [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetIfTable(PMIB_IFTABLE pIfTable, PULONG pdwSize, BOOL bOrder)
+{
+  DWORD ret;
+
+  if (!pdwSize)
+    ret = ERROR_INVALID_PARAMETER;
+  else {
+    DWORD numInterfaces = getNumInterfaces();
+    ULONG size = sizeof(MIB_IFTABLE) + (numInterfaces - 1) * sizeof(MIB_IFROW);
+
+    if (!pIfTable || *pdwSize < size) {
+      *pdwSize = size;
+      ret = ERROR_INSUFFICIENT_BUFFER;
+    }
+    else {
+      InterfaceIndexTable *table = getInterfaceIndexTable();
+
+      if (table) {
+        size = sizeof(MIB_IFTABLE) + (table->numIndexes - 1) *
+         sizeof(MIB_IFROW);
+        if (*pdwSize < size) {
+          *pdwSize = size;
+          ret = ERROR_INSUFFICIENT_BUFFER;
+        }
+        else {
+          DWORD ndx;
+
+          if (bOrder)
+            FIXME(":order not implemented");
+          pIfTable->dwNumEntries = 0;
+          for (ndx = 0; ndx < table->numIndexes; ndx++) {
+            pIfTable->table[ndx].dwIndex = table->indexes[ndx];
+            GetIfEntry(&pIfTable->table[ndx]);
+            pIfTable->dwNumEntries++;
+          }
+          ret = NO_ERROR;
+        }
+        free(table);
+      }
+      else
+        ret = ERROR_OUTOFMEMORY;
+    }
+  }
+  return ret;
+}
+
+
+/******************************************************************
+ *    GetInterfaceInfo (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pIfTable [In/Out]
+ *  dwOutBufLen [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetInterfaceInfo(PIP_INTERFACE_INFO pIfTable, PULONG dwOutBufLen)
+{
+  DWORD ret;
+
+  if (!dwOutBufLen)
+    ret = ERROR_INVALID_PARAMETER;
+  else {
+    DWORD numInterfaces = getNumInterfaces();
+    ULONG size = sizeof(IP_INTERFACE_INFO) + (numInterfaces - 1) *
+     sizeof(IP_ADAPTER_INDEX_MAP);
+
+    if (!pIfTable || *dwOutBufLen < size) {
+      *dwOutBufLen = size;
+      ret = ERROR_INSUFFICIENT_BUFFER;
+    }
+    else {
+      InterfaceIndexTable *table = getInterfaceIndexTable();
+
+      if (table) {
+        size = sizeof(IP_INTERFACE_INFO) + (table->numIndexes - 1) *
+         sizeof(IP_ADAPTER_INDEX_MAP);
+        if (*dwOutBufLen < size) {
+          *dwOutBufLen = size;
+          ret = ERROR_INSUFFICIENT_BUFFER;
+        }
+        else {
+          DWORD ndx;
+
+          pIfTable->NumAdapters = 0;
+          for (ndx = 0; ndx < table->numIndexes; ndx++) {
+            const char *walker, *name;
+            WCHAR *assigner;
+
+            pIfTable->Adapter[ndx].Index = table->indexes[ndx];
+            name = getInterfaceNameByIndex(table->indexes[ndx]);
+            for (walker = name, assigner = pIfTable->Adapter[ndx].Name;
+             walker && *walker &&
+             assigner - pIfTable->Adapter[ndx].Name < MAX_ADAPTER_NAME - 1;
+             walker++, assigner++)
+              *assigner = *walker;
+            *assigner = 0;
+            pIfTable->NumAdapters++;
+          }
+          ret = NO_ERROR;
+        }
+        free(table);
+      }
+      else
+        ret = ERROR_OUTOFMEMORY;
+    }
+  }
+  return ret;
+}
+
+
+/******************************************************************
+ *    GetIpAddrTable (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pIpAddrTable [In/Out]
+ *  pdwSize [In/Out]
+ *  bOrder [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetIpAddrTable(PMIB_IPADDRTABLE pIpAddrTable, PULONG pdwSize, BOOL bOrder)
+{
+  DWORD ret;
+
+  if (!pdwSize)
+    ret = ERROR_INVALID_PARAMETER;
+  else {
+    DWORD numInterfaces = getNumInterfaces();
+    ULONG size = sizeof(MIB_IPADDRTABLE) + (numInterfaces - 1) *
+     sizeof(MIB_IPADDRROW);
+
+    if (!pIpAddrTable || *pdwSize < size) {
+      *pdwSize = size;
+      ret = ERROR_INSUFFICIENT_BUFFER;
+    }
+    else {
+      InterfaceIndexTable *table = getInterfaceIndexTable();
+
+      if (table) {
+        size = sizeof(MIB_IPADDRTABLE) + (table->numIndexes - 1) *
+         sizeof(MIB_IPADDRROW);
+        if (*pdwSize < size) {
+          *pdwSize = size;
+          ret = ERROR_INSUFFICIENT_BUFFER;
+        }
+        else {
+          DWORD ndx;
+
+          if (bOrder)
+            FIXME(":order not implemented");
+          pIpAddrTable->dwNumEntries = 0;
+          for (ndx = 0; ndx < table->numIndexes; ndx++) {
+            pIpAddrTable->table[ndx].dwIndex = table->indexes[ndx];
+            pIpAddrTable->table[ndx].dwAddr =
+             getInterfaceIPAddrByIndex(table->indexes[ndx]);
+            pIpAddrTable->table[ndx].dwMask =
+             getInterfaceMaskByIndex(table->indexes[ndx]);
+            pIpAddrTable->table[ndx].dwBCastAddr =
+             getInterfaceBCastAddrByIndex(table->indexes[ndx]);
+            /* FIXME: hardcoded reasm size, not sure where to get it */
+            pIpAddrTable->table[ndx].dwReasmSize = 65535;
+            pIpAddrTable->table[ndx].unused1 = 0;
+            pIpAddrTable->table[ndx].wType = 0; /* aka unused2 */
+            pIpAddrTable->dwNumEntries++;
+          }
+          ret = NO_ERROR;
+        }
+        free(table);
+      }
+      else
+        ret = ERROR_OUTOFMEMORY;
+    }
+  }
+  return ret;
+}
+
+
+/******************************************************************
+ *    GetIpForwardTable (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pIpForwardTable [In/Out]
+ *  pdwSize [In/Out]
+ *  bOrder [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetIpForwardTable(PMIB_IPFORWARDTABLE pIpForwardTable, PULONG pdwSize, BOOL bOrder)
+{
+  DWORD ret;
+
+  if (!pdwSize)
+    ret = ERROR_INVALID_PARAMETER;
+  else {
+    DWORD numRoutes = getNumRoutes();
+    ULONG sizeNeeded = sizeof(MIB_IPFORWARDTABLE) + (numRoutes - 1) *
+     sizeof(MIB_IPFORWARDROW);
+
+    if (!pIpForwardTable || *pdwSize < sizeNeeded) {
+      *pdwSize = sizeNeeded;
+      ret = ERROR_INSUFFICIENT_BUFFER;
+    }
+    else {
+      RouteTable *table = getRouteTable();
+      if (table) {
+        sizeNeeded = sizeof(MIB_IPFORWARDTABLE) + (table->numRoutes - 1) *
+         sizeof(MIB_IPFORWARDROW);
+        if (*pdwSize < sizeNeeded) {
+          *pdwSize = sizeNeeded;
+          ret = ERROR_INSUFFICIENT_BUFFER;
+        }
+        else {
+          DWORD ndx;
+
+          if (bOrder)
+            FIXME(":order not implemented");
+          pIpForwardTable->dwNumEntries = table->numRoutes;
+          for (ndx = 0; ndx < numRoutes; ndx++) {
+            pIpForwardTable->table[ndx].dwForwardIfIndex =
+             table->routes[ndx].ifIndex;
+            pIpForwardTable->table[ndx].dwForwardDest =
+             table->routes[ndx].dest;
+            pIpForwardTable->table[ndx].dwForwardMask =
+             table->routes[ndx].mask;
+            pIpForwardTable->table[ndx].dwForwardPolicy = 0;
+            pIpForwardTable->table[ndx].dwForwardNextHop =
+             table->routes[ndx].gateway;
+            /* FIXME: this type is appropriate for local interfaces; may not
+               always be appropriate */
+            pIpForwardTable->table[ndx].dwForwardType = MIB_IPROUTE_TYPE_DIRECT;
+            /* FIXME: other protos might be appropriate, e.g. the default route
+               is typically set with MIB_IPPROTO_NETMGMT instead */
+            pIpForwardTable->table[ndx].dwForwardProto = MIB_IPPROTO_LOCAL;
+            /* punt on age and AS */
+            pIpForwardTable->table[ndx].dwForwardAge = 0;
+            pIpForwardTable->table[ndx].dwForwardNextHopAS = 0;
+            pIpForwardTable->table[ndx].dwForwardMetric1 =
+             table->routes[ndx].metric;
+            /* rest of the metrics are 0.. */
+            pIpForwardTable->table[ndx].dwForwardMetric2 = 0;
+            pIpForwardTable->table[ndx].dwForwardMetric3 = 0;
+            pIpForwardTable->table[ndx].dwForwardMetric4 = 0;
+            pIpForwardTable->table[ndx].dwForwardMetric5 = 0;
+          }
+          ret = NO_ERROR;
+        }
+        free(table);
+      }
+      else
+        ret = ERROR_OUTOFMEMORY;
+    }
+  }
+  return ret;
+}
+
+
+/******************************************************************
+ *    GetIpNetTable (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pIpNetTable [In/Out]
+ *  pdwSize [In/Out]
+ *  bOrder [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetIpNetTable(PMIB_IPNETTABLE pIpNetTable, PULONG pdwSize, BOOL bOrder)
+{
+  DWORD ret;
+
+  if (!pdwSize)
+    ret = ERROR_INVALID_PARAMETER;
+  else {
+    DWORD numEntries = getNumArpEntries();
+    ULONG size = sizeof(MIB_IPNETTABLE) + (numEntries - 1) *
+     sizeof(MIB_IPNETROW);
+
+    if (!pIpNetTable || *pdwSize < size) {
+      *pdwSize = size;
+      ret = ERROR_INSUFFICIENT_BUFFER;
+    }
+    else {
+      PMIB_IPNETTABLE table = getArpTable();
+
+      if (table) {
+        size = sizeof(MIB_IPNETTABLE) + (table->dwNumEntries - 1) *
+         sizeof(MIB_IPNETROW);
+        if (*pdwSize < size) {
+          *pdwSize = size;
+          ret = ERROR_INSUFFICIENT_BUFFER;
+        }
+        else {
+          if (bOrder)
+            FIXME(":order not implemented");
+          memcpy(pIpNetTable, table, size);
+          ret = NO_ERROR;
+        }
+        free(table);
+      }
+      else
+        ret = ERROR_OUTOFMEMORY;
+    }
+  }
+  return ret;
+}
+
+
+/******************************************************************
+ *    GetIpStatistics (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pStats [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetIpStatistics(PMIB_IPSTATS pStats)
+{
+  return getIPStats(pStats);
+}
+
+
+/******************************************************************
+ *    GetNetworkParams (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pFixedInfo [In/Out]
+ *  pOutBufLen [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetNetworkParams(PFIXED_INFO pFixedInfo, PULONG pOutBufLen)
+{
+  DWORD size;
+
+  if (!pOutBufLen)
+    return ERROR_INVALID_PARAMETER;
+
+  size = sizeof(FIXED_INFO) + min(1, (_res.nscount  - 1) *
+   sizeof(IP_ADDR_STRING));
+  if (!pFixedInfo || *pOutBufLen < size) {
+    *pOutBufLen = size;
+    return ERROR_BUFFER_OVERFLOW;
+  }
+
+  memset(pFixedInfo, 0, size);
+  size = sizeof(pFixedInfo->HostName);
+  GetComputerNameExA(ComputerNameDnsHostname, pFixedInfo->HostName, &size);
+  size = sizeof(pFixedInfo->DomainName);
+  GetComputerNameExA(ComputerNameDnsDomain, pFixedInfo->DomainName, &size);
+  if (_res.nscount > 0) {
+    PIP_ADDR_STRING ptr;
+    int i;
+
+    for (i = 0, ptr = &pFixedInfo->DnsServerList; i < _res.nscount;
+     i++, ptr = ptr->Next) {
+      toIPAddressString(_res.nsaddr_list[i].sin_addr.s_addr,
+       ptr->IpAddress.String);
+      ptr->Next = (PIP_ADDR_STRING)((PBYTE)ptr + sizeof(IP_ADDRESS_STRING));
+    }
+  }
+  /* FIXME: can check whether routing's enabled in /proc/sys/net/ipv4/ip_forward
+     I suppose could also check for a listener on port 53 to set EnableDns */
+  return NO_ERROR;
+}
+
+
+/******************************************************************
+ *    GetNumberOfInterfaces (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pdwNumIf [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetNumberOfInterfaces(PDWORD pdwNumIf)
+{
+  DWORD ret;
+
+  if (!pdwNumIf)
+    ret = ERROR_INVALID_PARAMETER;
+  else {
+    *pdwNumIf = getNumInterfaces();
+    ret = NO_ERROR;
+  }
+  return ret;
+}
+
+
+/******************************************************************
+ *    GetPerAdapterInfo (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  IfIndex [In]
+ *  pPerAdapterInfo [In/Out]
+ *  pOutBufLen [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetPerAdapterInfo(ULONG IfIndex, PIP_PER_ADAPTER_INFO pPerAdapterInfo, PULONG pOutBufLen)
+{
+  FIXME(":stub\n");
+  /* marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    GetRTTAndHopCount (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  DestIpAddress [In]
+ *  HopCount [In/Out]
+ *  MaxHops [In]
+ *  RTT [In/Out]
+ *
+ * RETURNS
+ *
+ *  BOOL
+ *
+ */
+BOOL WINAPI GetRTTAndHopCount(IPAddr DestIpAddress, PULONG HopCount, ULONG MaxHops, PULONG RTT)
+{
+  FIXME(":stub\n");
+  return (BOOL) 0;
+}
+
+
+/******************************************************************
+ *    GetTcpStatistics (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pStats [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetTcpStatistics(PMIB_TCPSTATS pStats)
+{
+  return getTCPStats(pStats);
+}
+
+
+/******************************************************************
+ *    GetTcpTable (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pTcpTable [In/Out]
+ *  pdwSize [In/Out]
+ *  bOrder [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetTcpTable(PMIB_TCPTABLE pTcpTable, PDWORD pdwSize, BOOL bOrder)
+{
+  DWORD ret;
+
+  if (!pdwSize)
+    ret = ERROR_INVALID_PARAMETER;
+  else {
+    DWORD numEntries = getNumTcpEntries();
+    ULONG size = sizeof(MIB_TCPTABLE) + (numEntries - 1) * sizeof(MIB_TCPROW);
+
+    if (!pTcpTable || *pdwSize < size) {
+      *pdwSize = size;
+      ret = ERROR_INSUFFICIENT_BUFFER;
+    }
+    else {
+      PMIB_TCPTABLE table = getTcpTable();
+
+      if (table) {
+        size = sizeof(MIB_TCPTABLE) + (table->dwNumEntries - 1) *
+         sizeof(MIB_TCPROW);
+        if (*pdwSize < size) {
+          *pdwSize = size;
+          ret = ERROR_INSUFFICIENT_BUFFER;
+        }
+        else {
+          if (bOrder)
+            FIXME(":order not implemented");
+          memcpy(pTcpTable, table, size);
+          ret = NO_ERROR;
+        }
+        free(table);
+      }
+      else
+        ret = ERROR_OUTOFMEMORY;
+    }
+  }
+  return ret;
+}
+
+
+/******************************************************************
+ *    GetUdpStatistics (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pStats [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetUdpStatistics(PMIB_UDPSTATS pStats)
+{
+  return getUDPStats(pStats);
+}
+
+
+/******************************************************************
+ *    GetUdpTable (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pUdpTable [In/Out]
+ *  pdwSize [In/Out]
+ *  bOrder [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetUdpTable(PMIB_UDPTABLE pUdpTable, PDWORD pdwSize, BOOL bOrder)
+{
+  DWORD ret;
+
+  if (!pdwSize)
+    ret = ERROR_INVALID_PARAMETER;
+  else {
+    DWORD numEntries = getNumUdpEntries();
+    ULONG size = sizeof(MIB_UDPTABLE) + (numEntries - 1) * sizeof(MIB_UDPROW);
+
+    if (!pUdpTable || *pdwSize < size) {
+      *pdwSize = size;
+      ret = ERROR_INSUFFICIENT_BUFFER;
+    }
+    else {
+      PMIB_UDPTABLE table = getUdpTable();
+
+      if (table) {
+        size = sizeof(MIB_UDPTABLE) + (table->dwNumEntries - 1) *
+         sizeof(MIB_UDPROW);
+        if (*pdwSize < size) {
+          *pdwSize = size;
+          ret = ERROR_INSUFFICIENT_BUFFER;
+        }
+        else {
+          if (bOrder)
+            FIXME(":order not implemented");
+          memcpy(pUdpTable, table, size);
+          ret = NO_ERROR;
+        }
+        free(table);
+      }
+      else
+        ret = ERROR_OUTOFMEMORY;
+    }
+  }
+  return ret;
+}
+
+
+/******************************************************************
+ *    GetUniDirectionalAdapterInfo (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pIPIfInfo [In/Out]
+ *  dwOutBufLen [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI GetUniDirectionalAdapterInfo(PIP_UNIDIRECTIONAL_ADAPTER_ADDRESS pIPIfInfo, PULONG dwOutBufLen)
+{
+  /* a unidirectional adapter?? not bloody likely! */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    IpReleaseAddress (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  AdapterInfo [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI IpReleaseAddress(PIP_ADAPTER_INDEX_MAP AdapterInfo)
+{
+  /* not a stub, never going to support this (and I never mark an adapter as
+     DHCP enabled, see GetAdaptersInfo, so this should never get called) */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    IpRenewAddress (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  AdapterInfo [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI IpRenewAddress(PIP_ADAPTER_INDEX_MAP AdapterInfo)
+{
+  /* not a stub, never going to support this (and I never mark an adapter as
+     DHCP enabled, see GetAdaptersInfo, so this should never get called) */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    NotifyAddrChange (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  Handle [In/Out]
+ *  overlapped [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI NotifyAddrChange(PHANDLE Handle, LPOVERLAPPED overlapped)
+{
+  FIXME(":stub\n");
+  /* marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    NotifyRouteChange (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  Handle [In/Out]
+ *  overlapped [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI NotifyRouteChange(PHANDLE Handle, LPOVERLAPPED overlapped)
+{
+  FIXME(":stub\n");
+  /* marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    SendARP (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  DestIP [In]
+ *  SrcIP [In]
+ *  pMacAddr [In/Out]
+ *  PhyAddrLen [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI SendARP(IPAddr DestIP, IPAddr SrcIP, PULONG pMacAddr, PULONG PhyAddrLen)
+{
+  FIXME(":stub\n");
+  /* marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    SetIfEntry (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pIfRow [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI SetIfEntry(PMIB_IFROW pIfRow)
+{
+  /* this is supposed to set an administratively interface up or down.
+     Could do SIOCSIFFLAGS and set/clear IFF_UP, but, not sure I want to, and
+     this sort of down is indistinguishable from other sorts of down (e.g. no
+     link). */
+  FIXME(":stub\n");
+  return ERROR_NOT_SUPPORTED;
+}
+
+
+/******************************************************************
+ *    SetIpForwardEntry (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pRoute [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI SetIpForwardEntry(PMIB_IPFORWARDROW pRoute)
+{
+  /* this is to add a route entry, how's it distinguishable from
+     CreateIpForwardEntry?
+     could use SIOCADDRT, not sure I want to */
+  FIXME(":stub\n");
+  return (DWORD) 0;
+}
+
+
+/******************************************************************
+ *    SetIpNetEntry (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pArpEntry [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI SetIpNetEntry(PMIB_IPNETROW pArpEntry)
+{
+  /* same as CreateIpNetEntry here, could use SIOCSARP, not sure I want to */
+  FIXME(":stub\n");
+  return (DWORD) 0;
+}
+
+
+/******************************************************************
+ *    SetIpStatistics (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pIpStats [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI SetIpStatistics(PMIB_IPSTATS pIpStats)
+{
+  FIXME(":stub\n");
+  return (DWORD) 0;
+}
+
+
+/******************************************************************
+ *    SetIpTTL (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  nTTL [In]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI SetIpTTL(UINT nTTL)
+{
+  /* could echo nTTL > /proc/net/sys/net/ipv4/ip_default_ttl, not sure I
+     want to.  Could map EACCESS to ERROR_ACCESS_DENIED, I suppose */
+  FIXME(":stub\n");
+  return (DWORD) 0;
+}
+
+
+/******************************************************************
+ *    SetTcpEntry (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pTcpRow [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI SetTcpEntry(PMIB_TCPROW pTcpRow)
+{
+  FIXME(":stub\n");
+  return (DWORD) 0;
+}
+
+
+/******************************************************************
+ *    UnenableRouter (IPHLPAPI.@)
+ *
+ *
+ * PARAMS
+ *
+ *  pOverlapped [In/Out]
+ *  lpdwEnableCount [In/Out]
+ *
+ * RETURNS
+ *
+ *  DWORD
+ *
+ */
+DWORD WINAPI UnenableRouter(OVERLAPPED * pOverlapped, LPDWORD lpdwEnableCount)
+{
+  FIXME(":stub\n");
+  /* could echo "0" > /proc/net/sys/net/ipv4/ip_forward, not sure I want to
+     could map EACCESS to ERROR_ACCESS_DENIED, I suppose
+     marking Win2K+ functions not supported */
+  return ERROR_NOT_SUPPORTED;
+}