Index: uspace/app/trace/ipcp.h
===================================================================
--- uspace/app/trace/ipcp.h	(revision 904b1bc3e43b98f81bec9e9296b154371c383776)
+++ uspace/app/trace/ipcp.h	(revision b83ec692ece791c1367db526f77c9d28fd800692)
@@ -38,14 +38,14 @@
 #include "proto.h"
 
-void ipcp_init(void);
-void ipcp_cleanup(void);
+extern void ipcp_init(void);
+extern void ipcp_cleanup(void);
 
-void ipcp_call_out(cap_phone_handle_t, ipc_call_t *, cap_call_handle_t);
-void ipcp_call_sync(cap_phone_handle_t, ipc_call_t *call, ipc_call_t *answer);
-void ipcp_call_in(ipc_call_t *call, cap_call_handle_t);
-void ipcp_hangup(cap_phone_handle_t, errno_t);
+extern void ipcp_call_out(cap_phone_handle_t, ipc_call_t *, cap_call_handle_t);
+extern void ipcp_call_sync(cap_phone_handle_t, ipc_call_t *, ipc_call_t *);
+extern void ipcp_call_in(ipc_call_t *, cap_call_handle_t);
+extern void ipcp_hangup(cap_phone_handle_t, errno_t);
 
-void ipcp_connection_set(cap_phone_handle_t, int server, proto_t *proto);
-void ipcp_connection_clear(cap_phone_handle_t);
+extern void ipcp_connection_set(cap_phone_handle_t, int, proto_t *);
+extern void ipcp_connection_clear(cap_phone_handle_t);
 
 #endif