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--- rfc822.h.orig Sun Oct 20 16:57:18 2002
+++ rfc822.h Sun Oct 20 16:57:33 2002
@@ -243,12 +243,14 @@
extern char *strerror();
/* Variables and routines that Unix(tm) provides. */
+#ifndef __FreeBSD__
extern int errno;
extern int sys_nerr;
extern int optind;
extern char *sys_errlist[];
extern char **environ;
extern char *optarg;
+#endif
#ifdef HAVE_UNISTD
#include <unistd.h>
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