lib/c-strstr.c

/* c-strstr.c -- substring search in C locale
   Copyright (C) 2005-2026 Free Software Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 2005, 2007.

   This file is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation, either version 3 of the
   License, or (at your option) any later version.

   This file is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include "c-strstr.h"

#include <string.h>

/* Find the first occurrence of NEEDLE in HAYSTACK.  */
char *
c_strstr (const char *haystack, const char *needle)
{
  /* POSIX says that strstr() interprets the strings as byte sequences, not
     as character sequences in the current locale.  */
  return (char *) strstr (haystack, needle);
}