+#ifndef _WIMLIB_XPRESS_H
+#define _WIMLIB_XPRESS_H
+
+/* See the comments in xpress-decompress.c about the XPRESS format. */
+
+//#define ENABLE_XPRESS_DEBUG
+#ifdef ENABLE_XPRESS_DEBUG
+# define XPRESS_DEBUG DEBUG
+#else
+# define XPRESS_DEBUG(format, ...)
+#endif
+
+#define XPRESS_NUM_CHARS 256
+#define XPRESS_NUM_SYMBOLS 512
+#define XPRESS_MAX_CODEWORD_LEN 15
+#define XPRESS_TABLEBITS 12
+
+#define XPRESS_END_OF_DATA 256
+
+#define XPRESS_MIN_OFFSET 1
+#define XPRESS_MAX_OFFSET 65535
+
+#define XPRESS_MIN_MATCH 3
+#define XPRESS_MAX_MATCH 65538
+
+#endif /* _WIMLIB_XPRESS_H */