将 .py 和 .pyi 后缀名改为了 .vp 和 .vpi 后缀名

Test/App/ptr_only_test.vp

@@ -0,0 +1,26 @@
+import stdio
+import t, c
+
+
+def ptr_only_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)
+
+    x: int = 65
+    px: str = c.Addr(x)
+    c.DerefAs(px, 88)
+    stdio.printf("ptr: after DerefAs x=%d\n", x)
+
+    p2: str = "ABC"
+    total_ch: int = 0
+    while c.Deref(p2) != 0:
+        total_ch = total_ch + c.Deref(p2)
+        p2 = p2 + 1
+    stdio.printf("ptr: sum(A,B,C)=%d\n", total_ch)
+
+    return 0