2 dnl Copyright (C) 2008 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_BTOWC],
9 AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
11 AC_CHECK_FUNCS_ONCE([btowc])
12 if test $ac_cv_func_btowc = no; then
20 # Prerequisites of lib/btowc.c.
21 AC_DEFUN([gl_PREREQ_BTOWC], [