remove support for non-ANSI compilation

@@ -18,10 +18,12 @@
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 /*      Copyright (c) 1988 AT&T */

@@ -29,12 +31,10 @@
 
 
 #ifndef _IEEEFP_H
 #define _IEEEFP_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 /*

@@ -67,17 +67,13 @@
         FP_PZERO = 7,   /* +0.0 */
         FP_NNORM = 8,   /* negative normalized non-zero */
         FP_PNORM = 9    /* positive normalized non-zero */
 } fpclass_t;
 
-#if defined(__STDC__)
 extern fpclass_t fpclass(double);       /* get class of double value */
 extern int      finite(double);
 extern int      unordered(double, double);
-#else
-extern fpclass_t fpclass();     /* get class of double value */
-#endif
 
 /*
  * ROUNDING CONTROL ******************************************
  *
  * At all times, floating-point math is done using one of four

@@ -112,20 +108,13 @@
         FP_RM = 3       /* round toward minus infinity */
 } fp_rnd;
 
 #endif
 
-#if defined(__STDC__)
 extern fp_rnd   fpsetround(fp_rnd);     /* set rounding mode, return previous */
 extern fp_rnd   fpgetround(void);       /* return current rounding mode */
 
-#else
-extern fp_rnd   fpsetround();           /* set rounding mode, return previous */
-extern fp_rnd   fpgetround();           /* return current rounding mode */
-
-#endif
-
 /*
  * EXCEPTION CONTROL *****************************************
  *
  */
 

@@ -180,38 +169,22 @@
 #define FP_X_DZ         0x02    /* divide-by-zero exception */
 #define FP_X_IMP        0x01    /* imprecise (loss of precision) */
 
 #endif
 
-#if defined(__STDC__)
 extern fp_except fpgetmask(void);               /* current exception mask */
 extern fp_except fpsetmask(fp_except);          /* set mask, return previous */
 extern fp_except fpgetsticky(void);             /* return logged exceptions */
 extern fp_except fpsetsticky(fp_except);        /* change logged exceptions */
 
-#else
-extern fp_except fpgetmask();   /* current exception mask */
-extern fp_except fpsetmask();   /* set mask, return previous */
-extern fp_except fpgetsticky(); /* return logged exceptions */
-extern fp_except fpsetsticky(); /* change logged exceptions */
-
-#endif
-
 /*
  * UTILITY MACROS ********************************************
  */
 
-#if defined(__STDC__)
 extern int isnanf(float);
 extern int isnand(double);
 
-#else
-extern int isnand();
-#define isnanf(x)       (((*(long *)&(x) & 0x7f800000L) == 0x7f800000L) && \
-                            ((*(long *)&(x) & 0x007fffffL) != 0x00000000L))
-#endif
-
 #if defined(__i386) || defined(__amd64)
 
 /*
  * EXCEPTION HANDLING ****************************************
  *