From e766a681aa4df604b20ce2d23cd131b74af9eaf7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bodo=20M=C3=B6ller?= <bodo@openssl.org>
Date: Wed, 9 Jun 1999 13:23:38 +0000
Subject: Some pre-POSIX systems don't have unistd.h (but e.g. lib.c). Allow
 configuring the name of that header file.

---
 crypto/cast/cast_spd.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

(limited to 'crypto/cast/cast_spd.c')

diff --git a/crypto/cast/cast_spd.c b/crypto/cast/cast_spd.c
index 47af9639e4..c0726906c2 100644
--- a/crypto/cast/cast_spd.c
+++ b/crypto/cast/cast_spd.c
@@ -64,12 +64,11 @@
 #endif
 
 #include <stdio.h>
-#ifndef MSDOS
-#include <unistd.h>
-#else
-#include <io.h>
-extern int exit();
-#endif
+
+#include <openssl/e_os2.h>
+#include OPENSSL_UNISTD_IO
+OPENSSL_DECLARE_EXIT
+
 #include <signal.h>
 #ifndef _IRIX
 #include <time.h>
-- 
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