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+/* Copyright (C) 2001, 2006, 2009-2020 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+
+#include <config.h>
+
+#define MBCHAR_INLINE _GL_EXTERN_INLINE
+
+#include <limits.h>
+
+#include "mbchar.h"
+
+#if IS_BASIC_ASCII
+
+/* Bit table of characters in the ISO C "basic character set". */
+const unsigned int is_basic_table [UCHAR_MAX / 32 + 1] =
+{
+ 0x00001a00, /* '\t' '\v' '\f' */
+ 0xffffffef, /* ' '...'#' '%'...'?' */
+ 0xfffffffe, /* 'A'...'Z' '[' '\\' ']' '^' '_' */
+ 0x7ffffffe /* 'a'...'z' '{' '|' '}' '~' */
+ /* The remaining bits are 0. */
+};
+
+#endif /* IS_BASIC_ASCII */