MB_LEN_MAX (3)

Leading comments

Copyright (c) Bruno Haible <haible@clisp.cons.org>

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References consulted:
  GNU glibc-2 source code and manual
  Dinkumware C library reference http://www.dinkumware.com/
  OpenGroup's Single UNIX specificat...

(The comments found at the beginning of the groff file "man3/MB_LEN_MAX.3".)

NAME

MB_LEN_MAX - maximum multibyte length of a character across all locales

SYNOPSIS

#include <limits.h>

DESCRIPTION

The MB_LEN_MAX macro is the upper bound for the number of bytes needed to represent a single wide character, in any of the supported locales.

RETURN VALUE

A constant integer greater than zero.

CONFORMING TO

POSIX.1-2001, POSIX.1-2008, C99.

NOTES

The entities MB_LEN_MAX and sizeof(wchar_t) are totally unrelated. In glibc, MB_LEN_MAX is typically 16 (6 in glibc versions earlier than 2.2) while sizeof(wchar_t) is 4.

SEE ALSO

MB_CUR_MAX(3)

COLOPHON

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