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- # memrchr.m4 serial 10
- dnl Copyright (C) 2002-2003, 2005-2007, 2009-2021 Free Software Foundation,
- dnl Inc.
- dnl This file is free software; the Free Software Foundation
- dnl gives unlimited permission to copy and/or distribute it,
- dnl with or without modifications, as long as this notice is preserved.
- AC_DEFUN([gl_FUNC_MEMRCHR],
- [
- dnl Persuade glibc <string.h> to declare memrchr().
- AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
- AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
- AC_CHECK_DECLS_ONCE([memrchr])
- if test $ac_cv_have_decl_memrchr = no; then
- HAVE_DECL_MEMRCHR=0
- fi
- AC_CHECK_FUNCS([memrchr])
- ])
- # Prerequisites of lib/memrchr.c.
- AC_DEFUN([gl_PREREQ_MEMRCHR], [:])
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