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Diffstat (limited to 'man3/MB_LEN_MAX.3')
-rw-r--r-- | man3/MB_LEN_MAX.3 | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/man3/MB_LEN_MAX.3 b/man3/MB_LEN_MAX.3 new file mode 100644 index 0000000..b58bdd5 --- /dev/null +++ b/man3/MB_LEN_MAX.3 @@ -0,0 +1,51 @@ +.\" Copyright (c) Bruno Haible <haible@clisp.cons.org> +.\" +.\" SPDX-License-Identifier: GPL-2.0-or-later +.\" +.\" References consulted: +.\" GNU glibc-2 source code and manual +.\" Dinkumware C library reference http://www.dinkumware.com/ +.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html +.\" +.\" Modified, aeb, 990824 +.\" +.TH MB_LEN_MAX 3 2023-03-30 "Linux man-pages 6.05.01" +.SH NAME +MB_LEN_MAX \- maximum multibyte length of a character across all locales +.SH LIBRARY +Standard C library +.RI ( libc ) +.SH SYNOPSIS +.nf +.B #include <limits.h> +.fi +.SH DESCRIPTION +The +.B MB_LEN_MAX +macro is the maximum number of bytes needed to represent a single +wide character, in any of the supported locales. +.SH RETURN VALUE +A constant integer greater than zero. +.SH STANDARDS +C11, POSIX.1-2008. +.SH HISTORY +C99, POSIX.1-2001. +.SH NOTES +The entities +.B MB_LEN_MAX +and +.I sizeof(wchar_t) +are totally unrelated. +In glibc, +.B MB_LEN_MAX +is typically 16 +.\" For an explanation of why the limit was raised to 16, see +.\" http://lists.gnu.org/archive/html/bug-gnulib/2015-05/msg00001.html +.\" From: Bruno Haible +.\" Subject: Re: why is MB_LEN_MAX so large (16) on glibc +.\" Date: Thu, 14 May 2015 02:30:14 +0200 +(6 in glibc versions earlier than 2.2), while +.I sizeof(wchar_t) +is 4. +.SH SEE ALSO +.BR MB_CUR_MAX (3) |