From d632203255085171ce79a106a40797d1d5fa54a3 Mon Sep 17 00:00:00 2001
From: Levi Bostian <levi.bostian@gmail.com>
Date: Sat, 31 Aug 2013 18:54:07 -0500
Subject: [PATCH] Add more notes to function prototype in C.

---
 c.html.markdown | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/c.html.markdown b/c.html.markdown
index 90d0d358..ee60d168 100644
--- a/c.html.markdown
+++ b/c.html.markdown
@@ -425,13 +425,16 @@ int add_two_ints(int x1, int x2)
 
 // Must declare a 'funtion prototype' before main() when creating functions
 // in file. 
-int getInt(char c); // function prototype
+void getInt(char c); // function prototype
 int main() {
     return 0;
 }
-int getInt(char w) { //parameter name does not need to match function prototype
-    return 1;
+void getInt(char w) { //parameter name does not need to match function prototype
+    ;
 }
+//if function takes no parameters, do: int getInt(void); for function prototype
+//  and for the function declaration: int getInt(void) {}
+//  this is to keep compatibility with older versions of C. 
 
 /*
 Functions are call by value. So when a function is called, the arguments passed