--- speech-tools-1.2.3.orig/audio/nas.cc
+++ speech-tools-1.2.3/audio/nas.cc
@@ -57,7 +57,7 @@
 
 int nas_supported = TRUE;
 
-int endian_int = 1;
+static int endian_int = 1;
 #define NAS_BIG_ENDIAN (((char *)&endian_int)[0] == 0)
 
 static void na_sync_play_cb(AuServer *aud, AuEventHandlerRec *handler, 
--- speech-tools-1.2.3.orig/include/EST_Chunk.h
+++ speech-tools-1.2.3/include/EST_Chunk.h
@@ -90,6 +92,8 @@
 
 #endif
 
+class EST_ChunkPtr;
+
  /************************************************************************/
  /*                                                                      */
  /* EST_Chunk is a use-counted chunk of memory. You souldn`t be able     */
@@ -103,6 +107,15 @@
  /*                                                                      */
  /************************************************************************/
 
+typedef  int EST_chunk_size;
+
+EST_ChunkPtr chunk_allocate(int bytes);
+EST_ChunkPtr chunk_allocate(int bytes, const char *initial, int initial_len);
+EST_ChunkPtr chunk_allocate(int bytes, const EST_ChunkPtr &initial, int initial_start, int initial_len);
+
+void make_updatable(EST_ChunkPtr &shared, EST_chunk_size inuse);
+void make_updatable(EST_ChunkPtr &shared);
+
 class EST_Chunk  {
   public:
     typedef  unsigned short use_counter;
--- speech-tools-1.2.3.orig/include/ling_class/EST_Item.h
+++ speech-tools-1.2.3/include/ling_class/EST_Item.h
@@ -79,6 +79,9 @@
 
 */
 
+class EST_Item;
+int same_item(const EST_Item *l1,const EST_Item *l2);
+
 class EST_Item 
 {
   private:
--- speech-tools-1.2.3.orig/include/EST_Pathname.h
+++ speech-tools-1.2.3/include/EST_Pathname.h
@@ -41,6 +41,11 @@
   * available as methods. Different implementations are provided for 
   * different systems.
   */
+
+class EST_Pathname;
+EST_Pathname operator + (const EST_Pathname p, const EST_Pathname addition);
+EST_Pathname operator + (const char *p, const EST_Pathname addition);
+
 class EST_Pathname : public EST_String {
 
 private:
--- speech-tools-1.2.3.orig/include/EST_String.h
+++ speech-tools-1.2.3/include/EST_String.h
@@ -74,6 +76,11 @@
   * @version $Id: EST_String.h,v 1.2 2001/04/04 13:11:27 awb Exp $
   */
 
+class EST_String;
+EST_String operator + (const EST_String &a, const EST_String &b);
+EST_String operator + (const char *a, const EST_String &b);
+EST_String operator + (const EST_String &a, const char *b);
+
 class EST_String {
 
     /** For better libg++ compatibility.