1 /* c-strstr.c -- substring search in C locale 2 Copyright (C) 2005-2021 Free Software Foundation, Inc. 3 Written by Bruno Haible <bruno@clisp.org>, 2005, 2007. 4 5 This file is free software: you can redistribute it and/or modify 6 it under the terms of the GNU Lesser General Public License as 7 published by the Free Software Foundation; either version 3 of the 8 License, or (at your option) any later version. 9 10 This file is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public License 16 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 17 18 #include <config.h> 19 20 /* Specification. */ 21 #include "c-strstr.h" 22 23 #include <string.h> 24 25 /* Find the first occurrence of NEEDLE in HAYSTACK. */ 26 char * 27 c_strstr (const char *haystack, const char *needle) /* */ 28 { 29 /* POSIX says that strstr() interprets the strings as byte sequences, not 30 as character sequences in the current locale. */ 31 return strstr (haystack, needle); 32 }