#include <u.h>#include <libc.h>#include <libg.h>#include <frame.h> void_frredraw(Frame *f, Point pt){	Frbox *b;	int nb;	for(nb=0,b=f->box; nb<f->nbox; nb++, b++){		_frcklinewrap(f, &pt, b);		if(b->nrune >= 0)			string(f->b, pt, f->font, (char *)b->ptr, S);		pt.x += b->wid;	}} Point_frdraw(Frame *f, Point pt){	Frbox *b;	int nb, n; 	for(b=f->box,nb=0; nb<f->nbox; nb++, b++){		_frcklinewrap0(f, &pt, b);		if(pt.y == f->r.max.y){			f->nchars -= _frstrlen(f, nb);			_frdelbox(f, nb, f->nbox-1);			break;		}		if(b->nrune > 0){			n = _frcanfit(f, pt, b);			if(n == 0)				berror("draw: _frcanfit==0");			if(n != b->nrune){				_frsplitbox(f, nb, n);				b = &f->box[nb];			}			pt.x += b->wid;		}else{			if(b->bc == '\n')				pt.x = f->left, pt.y+=f->font->height;			else				pt.x += _frnewwid(f, pt, b);		}	}	return pt;}int_frstrlen(Frame *f, int nb){	int n; 	for(n=0; nb<f->nbox; nb++)		n += NRUNE(&f->box[nb]);	return n;}