sys/libutf/len.c


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#include "internal.h"

int
utf8·len(char *s)
{
    int c;
    long n;
    rune r;

    n = 0;
    for(;;){
        c = *(uchar*)s;
        if(c < Tx){
            if(c == 0)
                return n;
            s++;
        }else
            s += utf8·decode(s, &r);
        n++;
    }
}