#include <u.h>#include <libc.h>#include <auth.h>#include "authlocal.h" static char *pbmsg = "AS protocol botch"; int_asrdresp(int fd, char *buf, int len){	char error[ERRLEN]; 	if(read(fd, buf, 1) != 1){		werrstr(pbmsg);		return -1;	} 	switch(buf[0]){	case AuthOK:		if(_asreadn(fd, buf, len) < 0){			werrstr(pbmsg);			return -1;		}		break;	case AuthErr:		if(_asreadn(fd, error, ERRLEN) < 0){			werrstr(pbmsg);			return -1;		}		error[ERRLEN-1] = 0;		werrstr(error);		return -1;	default:		werrstr(pbmsg);		return -1;	}	return 0;}