1  /* strspn.
       2     Copyright (C) 2017-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library 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 GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  /* We always need to build this implementation as strspn-sse4 needs to
      20     be able to fallback to it.  */
      21  #include <isa-level.h>
      22  #if IS_IN (libc) || MINIMUM_X86_ISA_LEVEL >= 2
      23  # include <sysdep.h>
      24  # define STRSPN __strspn_generic
      25  
      26  # undef libc_hidden_builtin_def
      27  # define libc_hidden_builtin_def(STRSPN)
      28  
      29  #endif
      30  
      31  #include <string/strspn.c>