ctype/ctype-extn.c

   1 /* Copyright (C) 1991-2023 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #define __NO_CTYPE
  19 #include <ctype.h>
  20
  21 #define __ctype_tolower \
  22   ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOLOWER) + 128)
  23 #define __ctype_toupper \
  24   ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOUPPER) + 128)
  25
  26 /* Real function versions of the non-ANSI ctype functions.  */
  27
  28 int
  29 _tolower (int c)
  30 {
  31   return __ctype_tolower[c];
  32 }
  33 int
  34 _toupper (int c)
  35 {
  36   return __ctype_toupper[c];
  37 }
  38
  39 int
  40 toascii (int c)
  41 {
  42   return __toascii (c);
  43 }
  44 weak_alias (toascii, __toascii_l)
  45
  46 int
  47 isascii (int c)
  48 {
  49   return __isascii (c);
  50 }
  51 weak_alias (isascii, __isascii_l)