remove support for non-ANSI compilation

@@ -22,41 +22,34 @@
 /*      Copyright (c) 1988 AT&T */
 /*        All Rights Reserved   */
 
 
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 #ifndef _FLOAT_H
 #define _FLOAT_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #include <sys/feature_tests.h>
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 #if defined(__sparc)
 
-#if defined(__STDC__)
 extern int __flt_rounds(void);
-#else   /* defined(__STDC__) */
-extern int __flt_rounds();
-#endif  /* defined(__STDC__) */
 #define FLT_ROUNDS      __flt_rounds()
 
 #else /* defined(__sparc) */
 
-#if defined(__STDC__)
 extern int __fltrounds(void);
-#else   /* defined (__STDC__) */
-extern int __fltrounds();
-#endif  /* defined(__STDC__) */
+
 #if defined(__amd64)
 #define FLT_ROUNDS      __fltrounds()
 #else   /* defined(__amd64) */
 extern int __flt_rounds;
 #define FLT_ROUNDS      __flt_rounds