diff --git a/dlls/rpcrt4/ndr_marshall.c b/dlls/rpcrt4/ndr_marshall.c
index 990f37cc1b..ca44b81704 100644
--- a/dlls/rpcrt4/ndr_marshall.c
+++ b/dlls/rpcrt4/ndr_marshall.c
@@ -1159,6 +1159,27 @@ unsigned char * WINAPI NdrSimpleStructUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
   return NULL;
 }
 
+
+/***********************************************************************
+ *           NdrSimpleStructUnmarshall [RPCRT4.@]
+ */
+void WINAPI NdrSimpleTypeMarshall( PMIDL_STUB_MESSAGE pStubMsg, unsigned char* pMemory,
+                                   unsigned char FormatChar )
+{
+    FIXME("stub\n");
+}
+
+
+/***********************************************************************
+ *           NdrSimpleStructUnmarshall [RPCRT4.@]
+ */
+void WINAPI NdrSimpleTypeUnmarshall( PMIDL_STUB_MESSAGE pStubMsg, unsigned char* pMemory,
+                                     unsigned char FormatChar )
+{
+    FIXME("stub\n");
+}
+
+
 /***********************************************************************
  *           NdrSimpleStructBufferSize [RPCRT4.@]
  */
@@ -1747,6 +1768,64 @@ void WINAPI NdrConformantArrayFree(PMIDL_STUB_MESSAGE pStubMsg,
   EmbeddedPointerFree(pStubMsg, pMemory, pFormat);
 }
 
+
+/***********************************************************************
+ *           NdrConformantVaryingArrayMarshall  [RPCRT4.@]
+ */
+unsigned char* WINAPI NdrConformantVaryingArrayMarshall( PMIDL_STUB_MESSAGE pStubMsg,
+                                                         unsigned char* pMemory,
+                                                         PFORMAT_STRING pFormat )
+{
+    FIXME( "stub\n" );
+    return NULL;
+}
+
+
+/***********************************************************************
+ *           NdrConformantVaryingArrayUnmarshall  [RPCRT4.@]
+ */
+unsigned char* WINAPI NdrConformantVaryingArrayUnmarshall( PMIDL_STUB_MESSAGE pStubMsg,
+                                                           unsigned char** ppMemory,
+                                                           PFORMAT_STRING pFormat,
+                                                           unsigned char fMustAlloc )
+{
+    FIXME( "stub\n" );
+    return NULL;
+}
+
+
+/***********************************************************************
+ *           NdrConformantVaryingArrayFree  [RPCRT4.@]
+ */
+void WINAPI NdrConformantVaryingArrayFree( PMIDL_STUB_MESSAGE pStubMsg,
+                                           unsigned char* pMemory,
+                                           PFORMAT_STRING pFormat )
+{
+    FIXME( "stub\n" );
+}
+
+
+/***********************************************************************
+ *           NdrConformantVaryingArrayBufferSize  [RPCRT4.@]
+ */
+void WINAPI NdrConformantVaryingArrayBufferSize( PMIDL_STUB_MESSAGE pStubMsg,
+                                                 unsigned char* pMemory, PFORMAT_STRING pFormat )
+{
+    FIXME( "stub\n" );
+}
+
+
+/***********************************************************************
+ *           NdrConformantVaryingArrayMemorySize  [RPCRT4.@]
+ */
+unsigned long WINAPI NdrConformantVaryingArrayMemorySize( PMIDL_STUB_MESSAGE pStubMsg,
+                                                          PFORMAT_STRING pFormat )
+{
+    FIXME( "stub\n" );
+    return 0;
+}
+
+
 /***********************************************************************
  *           NdrComplexArrayMarshall [RPCRT4.@]
  */
diff --git a/dlls/rpcrt4/rpcrt4.spec b/dlls/rpcrt4/rpcrt4.spec
index 6bc235734e..b01dd41332 100644
--- a/dlls/rpcrt4/rpcrt4.spec
+++ b/dlls/rpcrt4/rpcrt4.spec
@@ -354,11 +354,16 @@
 @ stub NdrConformantStructMarshall
 @ stub NdrConformantStructMemorySize
 @ stub NdrConformantStructUnmarshall
-@ stub NdrConformantVaryingArrayBufferSize
-@ stub NdrConformantVaryingArrayFree
-@ stub NdrConformantVaryingArrayMarshall
+@ stdcall NdrConformantVaryingArrayBufferSize(ptr ptr ptr)
+@ stdcall NdrConformantVaryingArrayFree(ptr ptr ptr)
+@ stdcall NdrConformantVaryingArrayMarshall(ptr ptr ptr)
+@ stdcall NdrConformantVaryingArrayMemorySize(ptr ptr)
+@ stdcall NdrConformantVaryingArrayUnmarshall(ptr ptr ptr long)
+@ stub NdrConformantVaryingStructBufferSize
+@ stub NdrConformantVaryingStructFree
+@ stub NdrConformantVaryingStructMarshall
 @ stub NdrConformantVaryingStructMemorySize
-@ stub NdrConformantVaryingArrayUnmarshall
+@ stub NdrConformantVaryingStructUnmarshall
 @ stub NdrEncapsulatedUnionBufferSize
 @ stub NdrEncapsulatedUnionFree
 @ stub NdrEncapsulatedUnionMarshall
@@ -409,8 +414,8 @@
 @ stdcall NdrSimpleStructMarshall(ptr ptr ptr)
 @ stdcall NdrSimpleStructMemorySize(ptr ptr)
 @ stdcall NdrSimpleStructUnmarshall(ptr ptr ptr long)
-@ stub NdrSimpleTypeMarshall
-@ stub NdrSimpleTypeUnmarshall
+@ stdcall NdrSimpleTypeMarshall(ptr ptr long)
+@ stdcall NdrSimpleTypeUnmarshall(ptr ptr long)
 @ stdcall NdrUserMarshalBufferSize(ptr ptr ptr)
 @ stdcall NdrUserMarshalFree(ptr ptr ptr)
 @ stdcall NdrUserMarshalMarshall(ptr ptr ptr)