lib/c-strstr.c

   1 /* c-strstr.c -- substring search in C locale
   2    Copyright (C) 2005-2019 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2005, 2007.
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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 General Public License for more details.
  14
  15    You should have received a copy of the GNU 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 }