+/* may be in limits.h, included from various places */
+#ifndef PATH_MAX
+# if defined(_POSIX_PATH_MAX)
+# define PATH_MAX _POSIX_PATH_MAX
+# elif defined(MAXPATHLEN)
+# define PATH_MAX MAXPATHLEN
+# else
+# define PATH_MAX 255 /* the Posix minimum pathsize */
+# endif
+#endif
+