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Up to [DVB] / dietlibc / include

  update syscalls
  lots of fixes from Markus FX Oberhumer:
    * better signal handling error detection
    * setjmp.S on i386
    * getenv on i386
    * sys/stat.h -malign-double fix
    * update fcntl.h for MIPS to 2.6.13 version
    * jmp_buf is 40*8 instead of 58*8 on ppc64.
    * This patch fixes the section of the TOC entries on ppc64
    * libstdc++ updates for gcc 4
    * remove cstddef and cwchar (no longer needed)
    * int -> ssize_t for read and write
    * sigjmp.c: __mask_was_saved was not set in all cases!
    * another round of ILP64 cleanups

#ifndef __DIETLIBC_CWCTYPE_INCLUDED
#define __DIETLIBC_CWCTYPE_INCLUDED

#include <endian.h>
#include <wctype.h>
#include <cstddef>
#include <cwchar>

#if __BYTE_ORDER == __BIG_ENDIAN
#  define _ISbit(bit)	(1 << (bit))
#else
# define _ISbit(bit)	((bit) < 8 ? ((1 << (bit)) << 8) : ((1 << (bit)) >> 8))
#endif

enum
{
  _ISupper = _ISbit (0),	/* UPPERCASE.  */
  _ISlower = _ISbit (1),	/* lowercase.  */
  _ISalpha = _ISbit (2),	/* Alphabetic.  */
  _ISdigit = _ISbit (3),	/* Numeric.  */
  _ISxdigit = _ISbit (4),	/* Hexadecimal numeric.  */
  _ISspace = _ISbit (5),	/* Whitespace.  */
  _ISprint = _ISbit (6),	/* Printing.  */
  _ISgraph = _ISbit (7),	/* Graphical.  */
  _ISblank = _ISbit (8),	/* Blank (usually SPC and TAB).  */
  _IScntrl = _ISbit (9),	/* Control character.  */
  _ISpunct = _ISbit (10),	/* Punctuation.  */
  _ISalnum = _ISbit (11)	/* Alphanumeric.  */
};

namespace std {
    using ::wctype_t;
    using ::wctrans_t;
    using ::wint_t;

    using ::iswalnum;
    using ::iswalpha;
    using ::iswblank;
    using ::iswcntrl;
    using ::iswctype;
    using ::iswdigit;
    using ::iswgraph;
    using ::iswlower;
    using ::iswprint;
    using ::iswpunct;
    using ::iswspace;
    using ::iswupper;
    using ::iswxdigit;
    using ::towctrans;
    using ::towlower;
    using ::towupper;
    using ::wctrans;
    using ::wctype;
}

#endif