extern void hex2bin(char *src, char *dst, int length);
extern void bin2hex(char *src, char *dst, int length);
+#ifdef HAVE_MINGW
+extern char *winerror(int);
+#define strerror(x) ((x)>0?strerror(x):winerror(GetLastError()))
+#endif
+
#endif /* __TINC_UTILS_H__ */