Some pre-POSIX systems don't have unistd.h (but e.g. lib.c).

[openssl.git] / crypto / rc2 / rc2speed.c

diff --git a/crypto/rc2/rc2speed.c b/crypto/rc2/rc2speed.c
index f74375258fc191e69863e62793c6a1731eac2c92..c3da63e77eb6a8859c4e6744484cf2fa167d98e6 100644 (file)
--- a/crypto/rc2/rc2speed.c
+++ b/crypto/rc2/rc2speed.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>
@@ -102,15 +101,11 @@ extern int exit();
 /* The following if from times(3) man page.  It may need to be changed */
 #ifndef HZ
 #ifndef CLK_TCK
-#ifndef VMS
-#define HZ     100.0
-#else /* VMS */
 #define HZ     100.0
 #endif
 #else /* CLK_TCK */
 #define HZ ((double)CLK_TCK)
 #endif
-#endif
 
 #define BUFSIZE        ((long)1024)
 long run=0;