Rename some test scripts and describe the naming convention

diff --git a/cache.h b/cache.h
index ff229ee523d5228c5c1631e0c0a6b50e5ac9dcb6..c06b94107e0e1149be0ad642812e8d4a42f2193c 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -27,6 +27,7 @@
 #define DT_UNKNOWN     0
 #define DT_DIR         1
 #define DT_REG         2
+#define DT_LNK         3
 #define DTYPE(de)      DT_UNKNOWN
 #endif