X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fdes%2Fdes_opts.c;h=746c456f8fab381973a080d70bb1a62574b12f9c;hp=500509ea733b90decf1a2cb75cd9c692a2b22030;hb=e766a681aa4df604b20ce2d23cd131b74af9eaf7;hpb=9e952fc8770bf72b03fdd7acf6a1843070b44b4b

diff --git a/crypto/des/des_opts.c b/crypto/des/des_opts.c
index 500509ea73..746c456f8f 100644
--- a/crypto/des/des_opts.c
+++ b/crypto/des/des_opts.c
@@ -65,7 +65,8 @@
 
 #include <stdio.h>
 #ifndef MSDOS
-#include <unistd.h>
+#include <openssl/e_os2.h>
+#include OPENSSL_UNISTD
 #else
 #include <io.h>
 extern void exit();