#include <u.h>#include <libc.h>#include "fmtdef.h" intfmtrune(Fmt *f, int r){	Rune *rt;	char *t;	int n; 	if(f->runes){		rt = (Rune*)f->to;		FMTRCHAR(f, rt, f->stop, r);		f->to = rt;		n = 1;	}else{		t = (char*)f->to;		FMTRUNE(f, t, f->stop, r);		n = t - (char*)f->to;		f->to = t;	}	f->nfmt += n;	return 0;}