1 /* Case-insensitive searching in a string in C locale. 2 Copyright (C) 2005, 2009-2021 Free Software Foundation, Inc. 3 4 This file is free software: you can redistribute it and/or modify 5 it under the terms of the GNU Lesser General Public License as 6 published by the Free Software Foundation; either version 2.1 of the 7 License, or (at your option) any later version. 8 9 This file 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 12 GNU Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 #ifndef C_STRCASESTR_H 18 #define C_STRCASESTR_H 19 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 26 /* Find the first occurrence of NEEDLE in HAYSTACK, using case-insensitive 27 comparison. */ 28 extern char *c_strcasestr (const char *haystack, const char *needle); 29 30 31 #ifdef __cplusplus 32 } 33 #endif 34 35 36 #endif /* C_STRCASESTR_H */