remove support for non-ANSI compilation

*** 18,27 ****
--- 18,28 ----
   *
   * 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   */
*** 44,64 ****
  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
--- 45,57 ----