1 /* Copyright (C) 1991-2022 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 _tolower(int c)29_tolower (int c) 30 { 31 return __ctype_tolower[c]; 32 } 33 int _toupper(int c)34_toupper (int c) 35 { 36 return __ctype_toupper[c]; 37 } 38 39 int toascii(int c)40toascii (int c) 41 { 42 return __toascii (c); 43 } weak_alias(toascii,__toascii_l)44weak_alias (toascii, __toascii_l) 45 46 int 47 isascii (int c) 48 { 49 return __isascii (c); 50 } 51 weak_alias (isascii, __isascii_l) 52