diff --git a/reactos/dll/win32/pdh/pdh.spec b/reactos/dll/win32/pdh/pdh.spec
index 0e1ea84ef38..135692f8c67 100644
--- a/reactos/dll/win32/pdh/pdh.spec
+++ b/reactos/dll/win32/pdh/pdh.spec
@@ -79,8 +79,8 @@
 @ stdcall PdhLookupPerfIndexByNameW(wstr wstr ptr)
 @ stdcall PdhLookupPerfNameByIndexA(str long ptr ptr)
 @ stdcall PdhLookupPerfNameByIndexW(wstr long ptr ptr)
-@ stub PdhMakeCounterPathA
-@ stub PdhMakeCounterPathW
+@ stdcall PdhMakeCounterPathA(ptr ptr ptr long)
+@ stdcall PdhMakeCounterPathW(ptr ptr ptr long)
 @ stub PdhOpenLogA
 @ stub PdhOpenLogW
 @ stdcall PdhOpenQuery(wstr long ptr) PdhOpenQueryW
diff --git a/reactos/dll/win32/pdh/pdh_main.c b/reactos/dll/win32/pdh/pdh_main.c
index 4a32cf5bbda..8e91cafce83 100644
--- a/reactos/dll/win32/pdh/pdh_main.c
+++ b/reactos/dll/win32/pdh/pdh_main.c
@@ -1060,6 +1060,110 @@ PDH_STATUS WINAPI PdhValidatePathExW( PDH_HLOG source, LPCWSTR path )
     return PdhValidatePathW( path );
 }
 
+/***********************************************************************
+ *              PdhMakeCounterPathA   (PDH.@)
+ */
+PDH_STATUS WINAPI PdhMakeCounterPathA( PDH_COUNTER_PATH_ELEMENTS_A *e, LPSTR buffer,
+                                       LPDWORD buflen, DWORD flags )
+{
+    PDH_STATUS ret = PDH_MEMORY_ALLOCATION_FAILURE;
+    PDH_COUNTER_PATH_ELEMENTS_W eW;
+    WCHAR *bufferW;
+    DWORD buflenW;
+
+    TRACE("%p %p %p 0x%08x\n", e, buffer, buflen, flags);
+
+    if (!e || !buflen) return PDH_INVALID_ARGUMENT;
+
+    memset( &eW, 0, sizeof(eW) );
+    if (e->szMachineName    && !(eW.szMachineName    = pdh_strdup_aw( e->szMachineName ))) goto done;
+    if (e->szObjectName     && !(eW.szObjectName     = pdh_strdup_aw( e->szObjectName ))) goto done;
+    if (e->szInstanceName   && !(eW.szInstanceName   = pdh_strdup_aw( e->szInstanceName ))) goto done;
+    if (e->szParentInstance && !(eW.szParentInstance = pdh_strdup_aw( e->szParentInstance ))) goto done;
+    if (e->szCounterName    && !(eW.szCounterName    = pdh_strdup_aw( e->szCounterName ))) goto done;
+    eW.dwInstanceIndex = e->dwInstanceIndex;
+
+    buflenW = 0;
+    ret = PdhMakeCounterPathW( &eW, NULL, &buflenW, flags );
+    if (ret == PDH_MORE_DATA)
+    {
+        if ((bufferW = heap_alloc( buflenW * sizeof(WCHAR) )))
+        {
+            if (!(ret = PdhMakeCounterPathW( &eW, bufferW, &buflenW, flags )))
+            {
+                int len = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL);
+                if (*buflen >= len) WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, *buflen, NULL, NULL);
+                else ret = PDH_MORE_DATA;
+                *buflen = len;
+            }
+            heap_free( bufferW );
+        }
+    }
+
+done:
+    heap_free( eW.szMachineName );
+    heap_free( eW.szObjectName );
+    heap_free( eW.szInstanceName );
+    heap_free( eW.szParentInstance );
+    heap_free( eW.szCounterName );
+    return ret;
+}
+
+/***********************************************************************
+ *              PdhMakeCounterPathW   (PDH.@)
+ */
+PDH_STATUS WINAPI PdhMakeCounterPathW( PDH_COUNTER_PATH_ELEMENTS_W *e, LPWSTR buffer,
+                                       LPDWORD buflen, DWORD flags )
+{
+    static const WCHAR bslash[] = {'\\',0};
+    static const WCHAR fslash[] = {'/',0};
+    static const WCHAR lparen[] = {'(',0};
+    static const WCHAR rparen[] = {')',0};
+    static const WCHAR fmt[]    = {'#','%','u',0};
+
+    WCHAR path[PDH_MAX_COUNTER_NAME], instance[12];
+    PDH_STATUS ret = ERROR_SUCCESS;
+    DWORD len;
+
+    TRACE("%p %p %p 0x%08x\n", e, buffer, buflen, flags);
+
+    if (flags) FIXME("unimplemented flags 0x%08x\n", flags);
+
+    if (!e || !e->szCounterName || !e->szObjectName || !buflen)
+        return PDH_INVALID_ARGUMENT;
+
+    path[0] = 0;
+    if (e->szMachineName)
+    {
+        strcatW(path, bslash);
+        strcatW(path, bslash);
+        strcatW(path, e->szMachineName);
+    }
+    strcatW(path, bslash);
+    strcatW(path, e->szObjectName);
+    if (e->szInstanceName)
+    {
+        strcatW(path, lparen);
+        if (e->szParentInstance)
+        {
+            strcatW(path, e->szParentInstance);
+            strcatW(path, fslash);
+        }
+        strcatW(path, e->szInstanceName);
+        sprintfW(instance, fmt, e->dwInstanceIndex);
+        strcatW(path, instance);
+        strcatW(path, rparen);
+    }
+    strcatW(path, bslash);
+    strcatW(path, e->szCounterName);
+
+    len = strlenW(path) + 1;
+    if (*buflen >= len) strcpyW(buffer, path);
+    else ret = PDH_MORE_DATA;
+    *buflen = len;
+    return ret;
+}
+
 /***********************************************************************
  *              PdhEnumObjectItemsA   (PDH.@)
  */
diff --git a/reactos/dll/win32/xinput1_3/xinput1_3.spec b/reactos/dll/win32/xinput1_3/xinput1_3.spec
index be1f4110dbf..5b7f1b97cb3 100644
--- a/reactos/dll/win32/xinput1_3/xinput1_3.spec
+++ b/reactos/dll/win32/xinput1_3/xinput1_3.spec
@@ -1,7 +1,8 @@
-@ stdcall XInputEnable(long)
-@ stdcall XInputSetState(long ptr)
-@ stdcall XInputGetState(long ptr)
-@ stdcall XInputGetKeystroke(long long ptr)
-@ stdcall XInputGetCapabilities(long long ptr)
-@ stdcall XInputGetDSoundAudioDeviceGuids(long ptr ptr)
-@ stdcall XInputGetBatteryInformation(long ptr ptr)
+1 stdcall DllMain(long long ptr)
+2 stdcall XInputGetState(long ptr)
+3 stdcall XInputSetState(long ptr)
+4 stdcall XInputGetCapabilities(long long ptr)
+5 stdcall XInputEnable(long)
+6 stdcall XInputGetDSoundAudioDeviceGuids(long ptr ptr)
+7 stdcall XInputGetBatteryInformation(long ptr ptr)
+8 stdcall XInputGetKeystroke(long long ptr)