#include <stdarg.h>
#include <ctype.h>
-#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) || defined(__TOS_WIN__)
+#if defined(_XBT_WIN32) || defined(__WIN32__) || defined(WIN32) || defined(__TOS_WIN__)
# ifndef __STRICT_ANSI__
# include <io.h>
# include <process.h>
* down here because we want the user's section 1 to have been scanned first.
* The user has a chance to override it with an option.
*/
-#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) || defined(__TOS_WIN__)
+#if defined(_XBT_WIN32) || defined(__WIN32__) || defined(WIN32) || defined(__TOS_WIN__)
# ifndef __STRICT_ANSI__
# include <io.h>
# include <process.h>