mbsnccnt.c

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#include <mbstring.h>

/*
 * @implemented
 */
size_t _mbsnccnt(const unsigned char *str, size_t n)
{
    unsigned char *s = (unsigned char *)str;
    size_t cnt = 0;
    while(*s != 0 && n > 0) {
        if (_ismbblead(*s) )
            s++;
        else
            n--;
        s++;
        cnt++;
    }

    return cnt;
}

/*
 * @implemented
 */
size_t _mbsnbcnt(const unsigned char *str, size_t n)
{
    unsigned char *s = (unsigned char *)str;
    while(*s != 0 && n > 0) {
        if (!_ismbblead(*s) )
            n--;
        s++;
    }

    return (size_t)(s - str);
}