remove support for non-ANSI compilation

*** 21,30 ****
--- 21,32 ----
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
  
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_DIRENT_H
*** 117,131 ****
  #define dirent64                dirent
  #define dirent64_t              dirent_t
  #endif
  #endif  /* _LP64 && _LARGEFILE64_SOURCE */
  
- #if defined(__STDC__)
  extern int getdents(int, struct dirent *, size_t);
- #else
- extern int getdents();
- #endif
  
  /* N.B.: transitional large file interface version deliberately not provided */
  
  #endif /* !defined(_KERNEL) */
  #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
--- 119,129 ----