This patches remove some of the warnings produced by the compiler.

--- src/siggen.c	Mon Jul 25 11:24:12 1994
+++ src/siggen.c	Wed May 17 19:15:29 2000
@@ -15,2 +15,3 @@
 #include "../include/config.h"
+#include <unistd.h>
 #include <stdio.h>
@@ -104,4 +104,6 @@
+
+/* forward declaration, to avoid compiler warnings */
+int siggen(int);
 
 int
 main(argc, argv)
--- aux/byteorder.c	Fri Jul 15 07:02:36 1994
+++ aux/byteorder.c	Wed May 17 19:12:42 2000
@@ -22,3 +22,3 @@
 
-void
+int
 main()
@@ -34,2 +34,3 @@
 
+#warning "the shift-width warning below can be ignored"
     if (sizeof(int32) > 4)
--- aux/types.c	Sun Dec 12 23:02:27 1993
+++ aux/types.c	Wed May 17 19:23:21 2000
@@ -24,3 +24,3 @@
 
-void
+int
 main(argc, argv)