#include <assert.h>
#include <errno.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <unistd.h>
#include <string.h>
#include <openssl/ssl.h>
if (!conn)
goto error;
#ifndef FD_TO_SOCKET
-# define FD_TO_SOCKET(x) (x)
+# define FD_TO_SOCKET(X) (X)
#endif
if (!SSL_set_fd (conn, FD_TO_SOCKET (fd)))
goto error;