diff --git a/C_C++/macro_paren.c b/C_C++/macro_paren.c
new file mode 100644
index 0000000..07b9cf9
--- /dev/null
+++ b/C_C++/macro_paren.c
@@ -0,0 +1,5 @@
+// @BAKE gcc $@ -o $*.out
+#define GPIO_PIN_6                 ((uint16_t)0x0040)  /* Pin 6 selected    */
+#define EN_Pin GPIO_PIN_6
+typedef int uint16_t;
+signed main() { return EN_Pin; }