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      1 /* Old compatibility names for <limits.h> and <float.h> constants.
      2    Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
      3    This file is part of the GNU C Library.
      4 
      5    The GNU C Library is free software; you can redistribute it and/or
      6    modify it under the terms of the GNU Lesser General Public
      7    License as published by the Free Software Foundation; either
      8    version 2.1 of the License, or (at your option) any later version.
      9 
     10    The GNU C Library is distributed in the hope that it will be useful,
     11    but WITHOUT ANY WARRANTY; without even the implied warranty of
     12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13    Lesser General Public License for more details.
     14 
     15    You should have received a copy of the GNU Lesser General Public
     16    License along with the GNU C Library; if not, write to the Free
     17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     18    02111-1307 USA.  */
     19 
     20 /* This interface is obsolete.  New programs should use
     21    <limits.h> and/or <float.h> instead of <values.h>.  */
     22 
     23 #ifndef	_VALUES_H
     24 #define	_VALUES_H	1
     25 
     26 #include <features.h>
     27 
     28 #include <limits.h>
     29 
     30 #define _TYPEBITS(type)	(sizeof (type) * CHAR_BIT)
     31 
     32 #define CHARBITS	_TYPEBITS (char)
     33 #define SHORTBITS	_TYPEBITS (short int)
     34 #define INTBITS		_TYPEBITS (int)
     35 #define LONGBITS	_TYPEBITS (long int)
     36 #define PTRBITS		_TYPEBITS (char *)
     37 #define DOUBLEBITS	_TYPEBITS (double)
     38 #define FLOATBITS	_TYPEBITS (float)
     39 
     40 #define MINSHORT	SHRT_MIN
     41 #define	MININT		INT_MIN
     42 #define	MINLONG		LONG_MIN
     43 
     44 #define	MAXSHORT	SHRT_MAX
     45 #define	MAXINT		INT_MAX
     46 #define	MAXLONG		LONG_MAX
     47 
     48 #define HIBITS		MINSHORT
     49 #define HIBITL		MINLONG
     50 
     51 
     52 #include <float.h>
     53 
     54 #define	MAXDOUBLE	DBL_MAX
     55 #define	MAXFLOAT	FLT_MAX
     56 #define	MINDOUBLE	DBL_MIN
     57 #define	MINFLOAT	FLT_MIN
     58 #define	DMINEXP		DBL_MIN_EXP
     59 #define	FMINEXP		FLT_MIN_EXP
     60 #define	DMAXEXP		DBL_MAX_EXP
     61 #define	FMAXEXP		FLT_MAX_EXP
     62 
     63 
     64 #ifdef __USE_MISC
     65 /* Some systems define this name instead of CHAR_BIT or CHARBITS.  */
     66 # define BITSPERBYTE	CHAR_BIT
     67 #endif
     68 
     69 #endif	/* values.h */
     70