snapshot before regression test

TransPyV/Test/App/deref_test.py

@@ -0,0 +1,13 @@
+import stdio
+import t, c
+
+
+def deref_test() -> int:
+    s: str = "hello"
+    sp: str = s
+    slen: int = 0
+    while c.Deref(sp) != 0:
+        slen = slen + 1
+        sp = sp + 1
+    stdio.printf("ptr: len(hello)=%d\n", slen)
+    return 0