remove support for non-ANSI compilation

@@ -17,10 +17,12 @@
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * 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) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
 /*        All Rights Reserved   */

@@ -520,11 +522,10 @@
 #define listen  __xnet_listen
 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
 #endif /* (_XPG4_2) && !defined(_XPG5) */
 
 #if !defined(_KERNEL) || defined(_BOOT)
-#ifdef  __STDC__
 extern int accept(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t);
 extern int accept4(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t, int);
 extern int bind(int, const struct sockaddr *, socklen_t);
 extern int connect(int, const struct sockaddr *, socklen_t);
 extern int getpeername(int, struct sockaddr *_RESTRICT_KYWD, Psocklen_t);

@@ -545,31 +546,10 @@
 extern int socket(int, int, int);
 
 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__)
 extern int sockatmark(int);
 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */
-#else   /* __STDC__ */
-extern int accept();
-extern int accept4();
-extern int bind();
-extern int connect();
-extern int getpeername();
-extern int getsockname();
-extern int getsockopt();
-extern int listen();
-extern int recv();
-extern int recvfrom();
-extern int send();
-extern int sendto();
-extern int setsockopt();
-extern int sockatmark();
-extern int socket();
-extern int recvmsg();
-extern int sendmsg();
-extern int shutdown();
-extern int socketpair();
-#endif  /* __STDC__ */
 #endif  /* !defined(_KERNEL) || defined(_BOOT) */
 
 #ifdef  __cplusplus
 }
 #endif