Edit

[EDIT] FILE: __locale_t.h

/* Definition of struct __locale_struct and __locale_t.
   Copyright (C) 1997-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.

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
   <http://www.gnu.org/licenses/>.  */

#ifndef _BITS_TYPES___LOCALE_T_H
#define _BITS_TYPES___LOCALE_T_H 1

/* POSIX.1-2008: the locale_t type, representing a locale context
   (implementation-namespace version).  This type should be treated
   as opaque by applications; some details are exposed for the sake of
   efficiency in e.g. ctype functions.  */

struct __locale_struct
{
  /* Note: LC_ALL is not a valid index into this array.  */
  struct __locale_data *__locales[13]; /* 13 = __LC_LAST. */

/* To increase the speed of this solution we add some special members.  */
  const unsigned short int *__ctype_b;
  const int *__ctype_tolower;
  const int *__ctype_toupper;

/* Note: LC_ALL is not a valid index into this array.  */
  const char *__names[13];
};

typedef struct __locale_struct *__locale_t;

#endif /* bits/types/__locale_t.h */

CANCEL