#include	"lib9.h"#include	<bio.h> longBgetrune(Biobuf *bp){	int c, i;	Rune rune;	char str[4]; 	c = Bgetc(bp);	if(c < Runeself) {		/* one char */		bp->runesize = 1;		return c;	}	str[0] = c; 	for(i=1;;) {		c = Bgetc(bp);		if(c < 0)			return c;		str[i++] = c; 		if(fullrune(str, i)) {			bp->runesize = chartorune(&rune, str);			while(i > bp->runesize) {				Bungetc(bp);				i--;			}			return rune;		}	}} intBungetrune(Biobuf *bp){ 	if(bp->state == Bracteof)		bp->state = Bractive;	if(bp->state != Bractive)		return Beof;	bp->icount -= bp->runesize;	bp->runesize = 0;	return 1;}