rem: exit_cleanup(1);
add: exit_cleanup(RERR_UNSUPPORTED);
context: int64 read_longint(int f){	extern int remote_version;	int64 ret;	char b[8];	ret = read_int(f);	if ((int32)ret != (int32)0xffffffff) {		return ret;	}#ifdef NO_INT64	rprintf(FERROR,"Integer overflow - attempted 64 bit offset\n");	exit_cleanup(1);#else	if (remote_version >= 16) {		readfd(f,b,8);		ret = IVAL(b,0) | (((int64)IVAL(b,4))<<32);	}#endif	return ret;}