Index: signal.h
===================================================================
--- signal.h	(revision 339)
+++ signal.h	(revision 340)
@@ -12,6 +12,6 @@
 There's nothing else for now, but we plan a user callback for this signal. 
 **/
 
-extern void raydium_signal_handler (int sig);
-extern void raydium_signal_install_trap (void);
+__rayapi void raydium_signal_handler (int sig);
+__rayapi void raydium_signal_install_trap (void);
 #endif