struct {
	unsigned loc;
	unsigned char len;
} lzo_data [2048];
unsigned lzo_nument;

int LZO_GetBlock (void)
{
	unsigned i, j=0, k, l=-1;
	for (i=0; i<lzo_nument; ++i) {
		if (lzo_data[i].len>j && (unsigned)lzo_data[i].len<InEnd-InPos && lzdict[lzoffs]==lzdict[lzo_data[i].loc] && !memcmp (&lzdict[lzoffs], &lzdict[lzo_data[i].loc], lzo_data[i].len)) {
			j=lzo_data[i].len; k=lzo_data[i].loc; l=i;
		}
	} len=j; return l;
}

void LZO_AddBlock (unsigned loc, unsigned char len) {
	lzo_data[lzo_nument].loc=loc;
	lzo_data[lzo_nument].len=len;
	++lzo_nument;
}