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MB_LEN_MAX(3)              Linux Programmer's Manual             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 maximum 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
       This page is part of release 5.05 of the Linux  man-pages  project.   A
       description  of  the project, information about reporting bugs, and the
       latest    version    of    this    page,    can     be     found     at
       https://www.kernel.org/doc/man-pages/.

Linux                             2015-07-23                     MB_LEN_MAX(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | CONFORMING TO | NOTES | SEE ALSO | COLOPHON