NAME
mblen - determine the number of bytes in a character
SYNOPSIS
#include <stdlib.h>
int mblen(const char *s, size_t n);
DESCRIPTION
The mblen() function scans the first n bytes of the string s
and returns the number of bytes in a character. The mblen()
function is equivalent to
mbtowc((wchat_t *)0, s, n);
except that the shift state of the mbtowc() function is not
affected.
RETURN VALUE
The mblen() returns the number of bytes in a character or -1
if the character is invalid or 0 if s is a NULL string.
CONFORMING TO
SVID 3, ISO 9899
SEE ALSO
mbstowcs(3), mbtowc(3), wcstombs(3),