--- main.c.orig	Mon Apr  6 15:30:43 1992
+++ main.c	Wed Dec  4 23:58:14 1996
@@ -25,7 +25,7 @@
 int		Debug = 0;
 #endif
 
-extern		trapint(); /* defined below */
+/* extern		trapint(); /* defined below */
 extern char	*getenv();
 jmp_buf		jmpenv;
 
@@ -307,7 +307,7 @@
 			/* Maybe we just aborted a change? */
 			abortdo();
 		}
-#if TURBOC
+#if TURBOC || (BSD >= 199306)
 		signal(SIGINT, (void(*)()) trapint);
 #else
 		signal(SIGINT, trapint);
@@ -350,7 +350,12 @@
 
 
 /*ARGSUSED*/
-int trapint(signo)
+#if TURBO_C || (BSD >= 199306)
+void
+#else
+int 
+#endif
+trapint(signo)
 	int	signo;
 {
 	resume_curses(FALSE);
@@ -358,14 +363,18 @@
 #if OSK
 	sigmask(-1);
 #endif
-#if TURBO_C
+#if TURBO_C || (BSD >= 199306)
 	signal(signo, (void (*)())trapint);
 #else
 	signal(signo, trapint);
 #endif
 	longjmp(jmpenv, 1);
 
+#if TURBO_C || (BSD >= 199306)
+	return;
+#else
 	return 0;
+#endif
 }