remove support for non-ANSI compilation

@@ -20,21 +20,20 @@
  * CDDL HEADER END
  */
 /*      Copyright (c) 1988 AT&T */
 /*        All Rights Reserved   */
 
-
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 #ifndef _STDARG_H
 #define _STDARG_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.8   */
-
 /*
  * This header defines the ISO C 1989, ISO C++ 1998, and ISO C 1999
  * variable argument definitions.  For legacy support, it also defines
  * the pre-standard variable argument definitions.
  *

@@ -43,12 +42,10 @@
  * in <sys/va_list.h>.  This organization enables protected use of
  * the implementation by other standard headers without introducing
  * names into the users' namespace.
  */
 
-#if defined(__STDC__)
-
 #include <iso/stdarg_iso.h>
 #include <iso/stdarg_c99.h>
 
 /*
  * Allow global visibility for symbols defined in

@@ -56,12 +53,6 @@
  */
 #if __cplusplus >= 199711L
 using std::va_list;
 #endif
 
-#else   /* __STDC__ */
-
-#include <varargs.h>
-
-#endif  /* __STDC__ */
-
 #endif  /* _STDARG_H */