--- src/e_card.h~	2004-02-01 21:13:19.000000000 +0000
+++ src/e_card.h	2006-03-10 02:13:19.909165140 +0000
@@ -32,6 +32,7 @@
 // external
 class CS;
 class COMMON_COMPONENT;
+CARD_LIST::fat_iterator findbranch(CS&,CARD_LIST::fat_iterator);
 /*--------------------------------------------------------------------------*/
 class CARD : public CKT_BASE {
 private:
--- src/e_compon.h~	2004-02-01 21:13:19.000000000 +0000
+++ src/e_compon.h	2006-03-10 02:14:25.126566025 +0000
@@ -43,6 +43,9 @@
 }
 /*--------------------------------------------------------------------------*/
 enum {CC_STATIC=27342}; // mid-sized arbitrary positive int
+class COMMON_COMPONENT;
+void attach_common(COMMON_COMPONENT* c, COMMON_COMPONENT** to);
+void detach_common(COMMON_COMPONENT** from);
 // pass this as an argument to a common constructor to mark it as static,
 // so it won't be deleted
 /*--------------------------------------------------------------------------*/
--- src/l_timer.h~	2004-02-01 21:13:19.000000000 +0000
+++ src/l_timer.h	2006-03-10 02:14:53.878774958 +0000
@@ -25,6 +25,8 @@
 #define U_TIMER_H
 #include "io_.h"
 /*--------------------------------------------------------------------------*/
+class TIMER;
+TIMER	operator-(const TIMER&,const TIMER&);
 class TIMER {
 private:
   enum {_T_NAME_LEN = 8};
--- src/u_sdp.h~	2004-02-01 21:13:19.000000000 +0000
+++ src/u_sdp.h	2006-03-10 02:13:46.221695752 +0000
@@ -29,6 +29,9 @@
 #include "ap.h"
 /*--------------------------------------------------------------------------*/
 class OMSTREAM;
+class SDP;
+bool get(CS& cmd, const std::string& key, SDP* value,
+	 AP_MOD mod, double scale);
 /*--------------------------------------------------------------------------*/
 class SDP {
   friend bool get(CS& cmd, const std::string& key, SDP* value,
-- END --