new file mode 100644
--- /dev/null
+++ b/src/os/win32/ngx_win32_config.h
@@ -0,0 +1,35 @@
+#ifndef _NGX_WIN32_CONFIG_H_INCLUDED_
+#define _NGX_WIN32_CONFIG_H_INCLUDED_
+
+
+#define WIN32 1
+
+#include <winsock2.h>
+#include <mswsock.h>
+#include <stddef.h>    /* offsetof */
+#include <stdio.h>
+#include <stdarg.h>
+
+
+#define ngx_inline   __inline
+
+
+#ifndef HAVE_INHERITED_NONBLOCK
+#define HAVE_INHERITED_NONBLOCK  1
+#endif
+
+#ifndef HAVE_WIN32_TRANSMITPACKETS
+#define HAVE_WIN32_TRANSMITPACKETS  1
+#define HAVE_WIN32_TRANSMITFILE     0
+#endif
+
+#ifndef HAVE_WIN32_TRANSMITFILE
+#define HAVE_WIN32_TRANSMITFILE  1
+#endif
+
+#if (HAVE_WIN32_TRANSMITPACKETS) || (HAVE_WIN32_TRANSMITFILE)
+#define HAVE_SENDFILE  1
+#endif
+
+
+#endif /* _NGX_WIN32_CONFIG_H_INCLUDED_ */