remove support for non-ANSI compilation

@@ -22,19 +22,19 @@
 /*      Copyright (c) 1988 AT&T */
 /*        All Rights Reserved   */
 
 
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright (c) 1996, by Sun Microsystems, Inc.
  * All Rights Reserved
  */
 
 #ifndef _NAN_H
 #define _NAN_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 /*
  * Handling of Not_a_Number's (only in IEEE floating-point standard)
  */
 
 #include <sys/isa_defs.h>

@@ -118,15 +118,11 @@
  * GETNaNPC gets the leftmost 32 bits of the fraction part
  */
 #define GETNaNPC(dval)  (((dnan *)&(dval))->inf_parts.bits << 12 | \
                             ((dnan *)&(dval))->nan_parts.fraction_low >> 20)
 
-#if defined(__STDC__)
 #define KILLFPE()       (void) _kill(_getpid(), 8)
-#else
-#define KILLFPE()       (void) kill(getpid(), 8)
-#endif
 #define NaN(X)          (((dnan *)&(X))->nan_parts.exponent == 0x7ff)
 #define KILLNaN(X)      if (NaN(X)) KILLFPE()
 
 #else   /* defined(_IEEE_754) */
 /* #error is strictly ansi-C, but works as well as anything for K&R systems. */