mblen Subroutine

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Purpose

Determines the length in bytes of a multibyte character.

Library

Standard C Library (libc.a)

Syntax

#include <stdlib.h>
int mblen( MbString,  Number)
const char *MbString;
size_t Number;

Description

The mblen subroutine determines the length, in bytes, of a multibyte character.

Parameters

Item Description
Mbstring Points to a multibyte character string.
Number Specifies the maximum number of bytes to consider.

Return Values

The mblen subroutine returns 0 if the MbString parameter points to a null character. It returns -1 if a character cannot be formed from the number of bytes specified by the Number parameter. If MbString is a null pointer, 0 is returned.