README.Portability (Function prototypes): Give an example of declaring and…

README.Portability (Function prototypes): Give an example of declaring and defining a function with no arguments.

	* README.Portability (Function prototypes): Give an example of
	declaring and defining a function with no arguments.

From-SVN: r55151

gcc/ChangeLog

 2002-07-01  Matt Kraai  <kraai@alumni.cmu.edu>
 
+	* README.Portability (Function prototypes): Give an example of
+	declaring and defining a function with no arguments.
+
 	* README.Portability (Function prototypes): Document new
 	variable-argument function macros.
 

gcc/README.Portability

@@ -129,6 +129,17 @@ myfunc (var1, var2)
   ...
 }
 
+This implies that if the function takes no arguments, it should be
+declared and defined as follows:
+
+int myfunc PARAMS ((void))
+
+int
+myfunc ()
+{
+  ...
+}
+
 You also need to use PARAMS when referring to function protypes in
 other circumstances, for example see "Calling functions through
 pointers to functions" below.