% diff -u3 qmail-1.03/error.h.orig qmail-1.03/error.h
--- qmail-1.03/error.h.orig        1998-06-15 06:53:16.000000000 -0400
+++ qmail-1.03/error.h     2002-12-24 20:28:40.000000000 -0500
@@ -1,7 +1,7 @@
 #ifndef ERROR_H
 #define ERROR_H
 
-extern int errno;
+#include <errno.h>
 
 extern int error_intr;
 extern int error_nomem;


% diff -u3 qmail-1.03/dns.c.orig qmail-1.03/dns.c
--- qmail-1.03/dns.c.orig  2002-08-09 19:20:48.000000000 -0400
+++ qmail-1.03/dns.c       2002-12-24 20:42:46.000000000 -0500
@@ -7,8 +7,6 @@
 #include <errno.h>
 extern int res_query();
 extern int res_search();
-extern int errno;
-extern int h_errno;
 #include "ip.h"
 #include "ipalloc.h"
 #include "fmt.h"


% diff -u3 qmail-1.03/cdb_seek.c.orig qmail-1.03/cdb_seek.c
--- qmail-1.03/cdb_seek.c.orig     1998-06-15 06:53:16.000000000 -0400
+++ qmail-1.03/cdb_seek.c  2002-12-24 20:42:52.000000000 -0500
@@ -1,6 +1,5 @@
 #include <sys/types.h>
 #include <errno.h>
-extern int errno;
 #include "cdb.h"
 
 #ifndef SEEK_SET