@@ -1,7 +1,7 @@
 /*
- * Copyright 1995-1999, 2003-2005 Bruno Haible, <bruno@clisp.org>
+ * Copyright 1995-1999 Bruno Haible, <bruno@clisp.org>
  *
  * This is free software distributed under the GNU General Public Licence
  * described in the file COPYING. Contact the author if you don't have this
  * or can't live with it. There is ABSOLUTELY NO WARRANTY, explicit or implied,
  * on this software.
@@ -29,19 +29,29 @@
 extern void __vacall (); /* the return type is variable, not void! */
 #endif
 void (*vacall) () = __vacall;
 
 /* This is the function called by vacall(). */
+#if defined(__STDC__) || defined(__GNUC__) || defined(__cplusplus)
 void (* vacall_function) (va_alist);
+#else
+void (* vacall_function) ();
+#endif
 
 #endif
 
 /* Room for returning structs according to the pcc non-reentrant struct return convention. */
 __va_struct_buffer_t __va_struct_buffer;
 
 int /* no return type, since this never returns */
+#if defined(__STDC__) || defined(__GNUC__) || defined(__cplusplus)
 __va_error1 (enum __VAtype start_type, enum __VAtype return_type)
+#else
+__va_error1 (start_type, return_type)
+  enum __VAtype start_type;
+  enum __VAtype return_type;
+#endif
 {
   /* If you see this, fix your code. */
   fprintf (stderr, "vacall: va_start type %d and va_return type %d disagree.\n",
                    (int)start_type, (int)return_type);
   abort();
@@ -49,15 +59,20 @@
   return 0;
 #endif
 }
 
 int /* no return type, since this never returns */
+#if defined(__STDC__) || defined(__GNUC__) || defined(__cplusplus)
 __va_error2 (unsigned int size)
+#else
+__va_error2 (size)
+  unsigned int size;
+#endif
 {
   /* If you see this, increase __VA_ALIST_WORDS: */
   fprintf (stderr, "vacall: struct of size %u too large for pcc struct return.\n",
                    size);
   abort();
 #if defined(__cplusplus)
   return 0;
 #endif
 }