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PATH: usr / include / bits

/* Copyright (C) 1996-2021 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

/*
 *	ISO C99 Standard: 7.25
 *	Wide character classification and mapping utilities  <wctype.h>
 */

#ifndef _BITS_WCTYPE_WCHAR_H
#define _BITS_WCTYPE_WCHAR_H 1

#if !defined _WCTYPE_H && !defined _WCHAR_H
#error "Never include <bits/wctype-wchar.h> directly; include <wctype.h> or <wchar.h> instead."
#endif

#include <bits/types.h>
#include <bits/types/wint_t.h>

/* The definitions in this header are specified to appear in <wctype.h>
   in ISO C99, but in <wchar.h> in Unix98.  _GNU_SOURCE follows C99.  */

/* Scalar type that can hold values which represent locale-specific
   character classifications.  */
typedef unsigned long int wctype_t;

# ifndef _ISwbit
/* The characteristics are stored always in network byte order (big
   endian).  We define the bit value interpretations here dependent on the
   machine's byte order.  */

#  include <bits/endian.h>
#  if __BYTE_ORDER == __BIG_ENDIAN
#   define _ISwbit(bit)	(1 << (bit))
#  else /* __BYTE_ORDER == __LITTLE_ENDIAN */
#   define _ISwbit(bit)	\
	((bit) < 8 ? (int) ((1UL << (bit)) << 24)			      \
	 : ((bit) < 16 ? (int) ((1UL << (bit)) << 8)			      \
	    : ((bit) < 24 ? (int) ((1UL << (bit)) >> 8)			      \
	       : (int) ((1UL << (bit)) >> 24))))
#  endif

enum
{
  __ISwupper = 0,			/* UPPERCASE.  */
  __ISwlower = 1,			/* lowercase.  */
  __ISwalpha = 2,			/* Alphabetic.  */
  __ISwdigit = 3,			/* Numeric.  */
  __ISwxdigit = 4,			/* Hexadecimal numeric.  */
  __ISwspace = 5,			/* Whitespace.  */
  __ISwprint = 6,			/* Printing.  */
  __ISwgraph = 7,			/* Graphical.  */
  __ISwblank = 8,			/* Blank (usually SPC and TAB).  */
  __ISwcntrl = 9,			/* Control character.  */
  __ISwpunct = 10,			/* Punctuation.  */
  __ISwalnum = 11,			/* Alphanumeric.  */

_ISwupper = _ISwbit (__ISwupper),	/* UPPERCASE.  */
  _ISwlower = _ISwbit (__ISwlower),	/* lowercase.  */
  _ISwalpha = _ISwbit (__ISwalpha),	/* Alphabetic.  */
  _ISwdigit = _ISwbit (__ISwdigit),	/* Numeric.  */
  _ISwxdigit = _ISwbit (__ISwxdigit),	/* Hexadecimal numeric.  */
  _ISwspace = _ISwbit (__ISwspace),	/* Whitespace.  */
  _ISwprint = _ISwbit (__ISwprint),	/* Printing.  */
  _ISwgraph = _ISwbit (__ISwgraph),	/* Graphical.  */
  _ISwblank = _ISwbit (__ISwblank),	/* Blank (usually SPC and TAB).  */
  _ISwcntrl = _ISwbit (__ISwcntrl),	/* Control character.  */
  _ISwpunct = _ISwbit (__ISwpunct),	/* Punctuation.  */
  _ISwalnum = _ISwbit (__ISwalnum)	/* Alphanumeric.  */
};
# endif /* Not _ISwbit  */

__BEGIN_DECLS

/*
 * Wide-character classification functions: 7.15.2.1.
 */

/* Test for any wide character for which `iswalpha' or `iswdigit' is
   true.  */
extern int iswalnum (wint_t __wc) __THROW;

/* Test for any wide character for which `iswupper' or 'iswlower' is
   true, or any wide character that is one of a locale-specific set of
   wide-characters for which none of `iswcntrl', `iswdigit',
   `iswpunct', or `iswspace' is true.  */
extern int iswalpha (wint_t __wc) __THROW;

/* Test for any control wide character.  */
extern int iswcntrl (wint_t __wc) __THROW;

/* Test for any wide character that corresponds to a decimal-digit
   character.  */
extern int iswdigit (wint_t __wc) __THROW;

/* Test for any wide character for which `iswprint' is true and
   `iswspace' is false.  */
extern int iswgraph (wint_t __wc) __THROW;

/* Test for any wide character that corresponds to a lowercase letter
   or is one of a locale-specific set of wide characters for which
   none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true.  */
extern int iswlower (wint_t __wc) __THROW;

/* Test for any printing wide character.  */
extern int iswprint (wint_t __wc) __THROW;

/* Test for any printing wide character that is one of a
   locale-specific et of wide characters for which neither `iswspace'
   nor `iswalnum' is true.  */
extern int iswpunct (wint_t __wc) __THROW;

/* Test for any wide character that corresponds to a locale-specific
   set of wide characters for which none of `iswalnum', `iswgraph', or
   `iswpunct' is true.  */
extern int iswspace (wint_t __wc) __THROW;

/* Test for any wide character that corresponds to an uppercase letter
   or is one of a locale-specific set of wide character for which none
   of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true.  */
extern int iswupper (wint_t __wc) __THROW;

/* Test for any wide character that corresponds to a hexadecimal-digit
   character equivalent to that performed be the functions described
   in the previous subclause.  */
extern int iswxdigit (wint_t __wc) __THROW;

/* Test for any wide character that corresponds to a standard blank
   wide character or a locale-specific set of wide characters for
   which `iswalnum' is false.  */
# ifdef __USE_ISOC99
extern int iswblank (wint_t __wc) __THROW;
# endif

/*
 * Extensible wide-character classification functions: 7.15.2.2.
 */

/* Construct value that describes a class of wide characters identified
   by the string argument PROPERTY.  */
extern wctype_t wctype (const char *__property) __THROW;

/* Determine whether the wide-character WC has the property described by
   DESC.  */
extern int iswctype (wint_t __wc, wctype_t __desc) __THROW;

/*
 * Wide-character case-mapping functions: 7.15.3.1.
 */

/* Converts an uppercase letter to the corresponding lowercase letter.  */
extern wint_t towlower (wint_t __wc) __THROW;

/* Converts an lowercase letter to the corresponding uppercase letter.  */
extern wint_t towupper (wint_t __wc) __THROW;

__END_DECLS

#endif /* bits/wctype-wchar.h.  */

[+] ..
[-] stdlib-ldbl.h [edit]
[-] types.h [edit]
[-] ipctypes.h [edit]
[-] sysmacros.h [edit]
[-] statvfs.h [edit]
[-] statfs.h [edit]
[-] utmp.h [edit]
[-] procfs-id.h [edit]
[-] time.h [edit]
[-] select2.h [edit]
[-] struct_mutex.h [edit]
[-] statx-generic.h [edit]
[-] shmlba.h [edit]
[-] termios.h [edit]
[-] stdint-uintn.h [edit]
[-] pthreadtypes.h [edit]
[-] inet-fortified-decl.h [edit]
[-] mman-map-flags-generic.h [edit]
[-] wchar2.h [edit]
[-] confname.h [edit]
[-] utmpx.h [edit]
[-] struct_stat.h [edit]
[-] indirect-return.h [edit]
[-] wchar2-decl.h [edit]
[-] strings_fortified.h [edit]
[-] link_lavcurrent.h [edit]
[-] waitstatus.h [edit]
[-] termios-struct.h [edit]
[-] cmathcalls.h [edit]
[-] getopt_ext.h [edit]
[-] wctype-wchar.h [edit]
[-] sigstksz.h [edit]
[-] wchar-ldbl.h [edit]
[-] string_fortified.h [edit]
[-] struct_rwlock.h [edit]
[-] termios-c_oflag.h [edit]
[-] syslog-path.h [edit]
[-] pthread_stack_min.h [edit]
[-] dlfcn.h [edit]
[-] signalfd.h [edit]
[-] in.h [edit]
[-] stdio.h [edit]
[-] endianness.h [edit]
[-] stdio_lim.h [edit]
[-] error.h [edit]
[-] stab.def [edit]
[-] initspin.h [edit]
[-] procfs-prregset.h [edit]
[-] fcntl-linux.h [edit]
[-] stdio-ldbl.h [edit]
[-] timex.h [edit]
[-] statx.h [edit]
[-] termios-baud.h [edit]
[-] ioctl-types.h [edit]
[-] dirent_ext.h [edit]
[-] timerfd.h [edit]
[-] libm-simd-decl-stubs.h [edit]
[-] mman.h [edit]
[-] semaphore.h [edit]
[-] procfs.h [edit]
[-] flt-eval-method.h [edit]
[-] setjmp2.h [edit]
[-] rseq.h [edit]
[-] mman-linux.h [edit]
[-] typesizes.h [edit]
[-] fenv.h [edit]
[-] signum-arch.h [edit]
[-] stdio2-decl.h [edit]
[-] mqueue2.h [edit]
[-] printf-ldbl.h [edit]
[-] posix1_lim.h [edit]
[-] byteswap.h [edit]
[-] posix2_lim.h [edit]
[-] setjmp.h [edit]
[-] sem.h [edit]
[-] ipc-perm.h [edit]
[-] stdio2.h [edit]
[-] errno.h [edit]
[-] mqueue.h [edit]
[-] mathcalls.h [edit]
[-] long-double.h [edit]
[-] pthread_stack_min-dynamic.h [edit]
[-] sigstack.h [edit]
[-] elfclass.h [edit]
[-] termios-c_cc.h [edit]
[-] floatn-common.h [edit]
[-] mathcalls-helper-functions.h [edit]
[-] unistd_ext.h [edit]
[-] socket_type.h [edit]
[-] mman-shared.h [edit]
[-] unistd.h [edit]
[-] wchar.h [edit]
[-] dl_find_object.h [edit]
[-] error-ldbl.h [edit]
[-] ptrace-shared.h [edit]
[-] mathcalls-narrow.h [edit]
[-] libc-header-start.h [edit]
[-] netdb.h [edit]
[-] sigthread.h [edit]
[-] link.h [edit]
[-] fp-logb.h [edit]
[-] procfs-extra.h [edit]
[-] stdlib-bsearch.h [edit]
[-] posix_opt.h [edit]
[-] stdint-intn.h [edit]
[-] sockaddr.h [edit]
[-] inet-fortified.h [edit]
[-] thread-shared-types.h [edit]
[-] getopt_posix.h [edit]
[-] stdlib-float.h [edit]
[-] utsname.h [edit]
[-] ioctls.h [edit]
[-] uio_lim.h [edit]
[-] uio-ext.h [edit]
[-] signum-generic.h [edit]
[-] termios-c_lflag.h [edit]
[-] syslog-ldbl.h [edit]
[-] mathdef.h [edit]
[-] param.h [edit]
[-] select.h [edit]
[-] epoll.h [edit]
[-] socket.h [edit]
[-] uintn-identity.h [edit]
[-] signal_ext.h [edit]
[-] endian.h [edit]
[-] argp-ldbl.h [edit]
[-] resource.h [edit]
[-] local_lim.h [edit]
[-] stat.h [edit]
[-] fp-fast.h [edit]
[-] eventfd.h [edit]
[-] poll2.h [edit]
[-] termios-c_cflag.h [edit]
[-] cpu-set.h [edit]
[-] sched.h [edit]
[-] siginfo-arch.h [edit]
[-] time64.h [edit]
[-] math-vector.h [edit]
[-] inotify.h [edit]
[-] siginfo-consts-arch.h [edit]
[-] locale.h [edit]
[-] msq.h [edit]
[-] siginfo-consts.h [edit]
[-] err-ldbl.h [edit]
[+] types
[-] waitflags.h [edit]
[-] iscanonical.h [edit]
[-] atomic_wide_counter.h [edit]
[-] termios-c_iflag.h [edit]
[-] pthreadtypes-arch.h [edit]
[-] floatn.h [edit]
[-] syslog.h [edit]
[-] xopen_lim.h [edit]
[-] environments.h [edit]
[-] termios-misc.h [edit]
[-] hwcap.h [edit]
[-] wordsize.h [edit]
[-] ipc.h [edit]
[-] timesize.h [edit]
[-] sigevent-consts.h [edit]
[-] fcntl.h [edit]
[-] syscall.h [edit]
[-] fcntl2.h [edit]
[-] a.out.h [edit]
[+] platform
[-] sigaction.h [edit]
[-] stdlib.h [edit]
[-] dirent.h [edit]
[-] termios-tcflow.h [edit]
[-] ss_flags.h [edit]
[-] poll.h [edit]
[-] monetary-ldbl.h [edit]
[-] getopt_core.h [edit]
[-] sigcontext.h [edit]
[-] socket2.h [edit]
[-] shm.h [edit]
[-] struct_stat_time64_helper.h [edit]
[-] socket-constants.h [edit]