Originální popis anglicky:
MB_LEN_MAX - maximum multibyte length of a character across all locales
Návod, kniha: Linux Programmer's Manual
#include <limits.h>
The
MB_LEN_MAX macro is the upper bound for the number of bytes needed to
represent a single wide character, across all locales.
A constant integer >= 1.
ANSI C, POSIX.1
The entities
MB_LEN_MAX and
sizeof(wchar_t) are totally unrelated.
In the GNU libc,
MB_LEN_MAX is typically 6 while
sizeof(wchar_t)
is 4.
MB_CUR_MAX(3)
