1MB_LEN_MAX(3)              Linux Programmer's Manual             MB_LEN_MAX(3)
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NAME

6       MB_LEN_MAX - maximum multibyte length of a character across all locales
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SYNOPSIS

9       #include <limits.h>
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DESCRIPTION

12       The  MB_LEN_MAX macro is the upper bound for the number of bytes needed
13       to represent a single wide character, across all locales.
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RETURN VALUE

16       A constant integer >= 1.
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CONFORMING TO

19       C99, POSIX.1-2001.
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NOTES

22       The entities MB_LEN_MAX and sizeof(wchar_t) are totally  unrelated.  In
23       the GNU libc, MB_LEN_MAX is typically 6 while sizeof(wchar_t) is 4.
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SEE ALSO

26       MB_CUR_MAX(3)
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30Linux                             1999-07-04                     MB_LEN_MAX(3)