pmt: revert 7f8090b

include/libgnulib/mbswidth.h

@@ -1,60 +0,0 @@
-/* Determine the number of screen columns needed for a string.
-   Copyright (C) 2000-2004, 2007, 2009-2024 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/>.  */
-
-/* This file uses HAVE_DECL_MBSWIDTH_IN_WCHAR_H.  */
-#if !_GL_CONFIG_H_INCLUDED
- #error "Please include config.h first."
-#endif
-
-#include <stddef.h>
-
-/* Avoid a clash of our mbswidth() with a function of the same name defined
-   in UnixWare 7.1.1 <wchar.h>.  We need this #include before the #define
-   below.  */
-#if HAVE_DECL_MBSWIDTH_IN_WCHAR_H
-# include <wchar.h>
-#endif
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/* Optional flags to influence mbswidth/mbsnwidth behavior.  */
-
-/* If this bit is set, return -1 upon finding an invalid or incomplete
-   character.  Otherwise, assume invalid characters have width 1.  */
-#define MBSW_REJECT_INVALID 1
-
-/* If this bit is set, return -1 upon finding a non-printable character.
-   Otherwise, assume unprintable characters have width 0 if they are
-   control characters and 1 otherwise.  */
-#define MBSW_REJECT_UNPRINTABLE 2
-
-
-/* Returns the number of screen columns needed for STRING.  */
-#define mbswidth gnu_mbswidth  /* avoid clash with UnixWare 7.1.1 function */
-extern int mbswidth (const char *string, int flags);
-
-/* Returns the number of screen columns needed for the NBYTES bytes
-   starting at BUF.  */
-extern int mbsnwidth (const char *buf, size_t nbytes, int flags);
-
-
-#ifdef __cplusplus
-}
-#endif