#include <u.h>#include <libc.h>#include <libg.h>#include <gnot.h> Pointgsubfstrsize(GSubfont *f, char *cs){	int i, l, n;	Fontchar *info;	uchar *s;	Rune c; 	s = (uchar*)cs;	l = 0;	n = f->n;	info = f->info;	if(s)		while(c = *s){			if(c < Runeself)				s++;			else{				i = chartorune(&c, (char*)s);				if(i == 0){					s++;					continue;				}				s += i;			}			if(c < n)				l += info[c].width;		}	return Pt(l, f->height);} longgsubfstrwidth(GSubfont *f, char *s){	Point p; 	p = gsubfstrsize(f,s);	return p.x;}