remove support for non-ANSI compilation

@@ -18,10 +18,11 @@
  *
  * CDDL HEADER END
  */
 
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
 /*      Copyright (c) 1988 AT&T */
 /*        All Rights Reserved   */

@@ -44,21 +45,13 @@
 extern "C" {
 #endif
 
 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)
 
-#if defined(__STDC__)
-
 extern int ppoll(struct pollfd *_RESTRICT_KYWD, nfds_t,
     const struct timespec *_RESTRICT_KYWD, const sigset_t *_RESTRICT_KYWD);
 
-#else   /* __STDC__ */
-
-extern int ppoll();
-
-#endif /* __STDC__ */
-
 #endif  /* defined(__EXTENSIONS__) ... */
 
 #ifdef __cplusplus
 }
 #endif