remove support for non-ANSI compilation

@@ -18,10 +18,12 @@
  *
  * 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 */

@@ -150,26 +152,19 @@
 #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