remove support for non-ANSI compilation

*** 18,27 ****
--- 18,29 ----
   *
   * CDDL HEADER END
   */
  
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
*** 150,175 ****
  #else
  #define FD_ZERO(__p)    (void) memset((__p), 0, sizeof (*(__p)))
  #endif /* _KERNEL */
  
  #ifndef _KERNEL
- #ifdef  __STDC__
  extern int select(int, fd_set *_RESTRICT_KYWD, fd_set *_RESTRICT_KYWD,
          fd_set *_RESTRICT_KYWD, struct timeval *_RESTRICT_KYWD);
  
  #if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
  extern int pselect(int, fd_set *_RESTRICT_KYWD, fd_set *_RESTRICT_KYWD,
          fd_set *_RESTRICT_KYWD, const struct timespec *_RESTRICT_KYWD,
          const sigset_t *_RESTRICT_KYWD);
  #endif
  
- #else
- extern int select();
- #if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
- extern int pselect();
- #endif
- #endif  /* __STDC__ */
  #endif  /* _KERNEL */
  
  #ifdef  __cplusplus
  }
  #endif
--- 152,170 ----