remove support for non-ANSI compilation

@@ -22,10 +22,12 @@
 /*      Copyright (c) 1988 AT&T */
 /*        All Rights Reserved   */
 
 
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright (c) 1998-1999, by Sun Microsystems, Inc.
  * All rights reserved.
  */
 
 /*

@@ -41,13 +43,10 @@
  */
 
 #ifndef _ISO_SIGNAL_ISO_H
 #define _ISO_SIGNAL_ISO_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-/* SVr4.0 1.5.3.4 */
-
 #include <sys/iso/signal_iso.h>
 
 #ifdef  __cplusplus
 extern "C" {
 #endif

@@ -56,26 +55,17 @@
 namespace std {
 #endif
 
 typedef int     sig_atomic_t;
 
-#if defined(__STDC__)
-
 #ifdef __cplusplus
 extern "C" SIG_PF signal(int, SIG_PF);
 #else
 extern void (*signal(int, void (*)(int)))(int);
 #endif
 extern int raise(int);
 
-#else /* __STDC__ */
-
-extern  void(*signal())();
-extern int raise();
-
-#endif /* __STDC__ */
-
 #if __cplusplus >= 199711L
 }
 #endif /* end of namespace std */
 
 #ifdef  __cplusplus