diff -ur gnucap-2006-01-17/src/e_card.h gnucap-2006-01-17-plasmaroo/src/e_card.h
--- gnucap-2006-01-17/src/e_card.h	2006-01-18 02:52:26.000000000 +0000
+++ gnucap-2006-01-17-plasmaroo/src/e_card.h	2006-04-07 23:10:54.000000000 +0100
@@ -146,6 +146,8 @@
     return false;
   }
 }
+
+CARD_LIST::fat_iterator findbranch(CS&,CARD_LIST::fat_iterator);
 /*--------------------------------------------------------------------------*/
 inline CARD_LIST::fat_iterator findbranch(CS& cmd, CARD_LIST* cl)
 {
diff -ur gnucap-2006-01-17/src/e_compon.h gnucap-2006-01-17-plasmaroo/src/e_compon.h
--- gnucap-2006-01-17/src/e_compon.h	2006-01-18 02:52:26.000000000 +0000
+++ gnucap-2006-01-17-plasmaroo/src/e_compon.h	2006-04-07 23:10:10.000000000 +0100
@@ -97,6 +98,10 @@
   mutable const MODEL_CARD* _model;
   int		_attach_count;
 };
+
+void attach_common(COMMON_COMPONENT* c, COMMON_COMPONENT** to);
+void detach_common(COMMON_COMPONENT** from);
+
 /*--------------------------------------------------------------------------*/
 /* note on _attach_count ...
  * The int argument is the initial _attach_count (default = 0)