diff --git a/hello.c b/hello.c
index f073fbb..135295e 100644
--- a/hello.c
+++ b/hello.c
@@ -3,4 +3,9 @@ void main(void)
 {
 	printf("hello world!");
 	
+}
+void getAge(uint8_t *age)
+{
+	//
+	*age = 10;
 }
\ No newline at end of file