LEN_LOW_SYMBOLS
uint16_t low[POS_STATES_MAX][LEN_LOW_SYMBOLS];
limit = LEN_LOW_SYMBOLS;
s->lzma.len = MATCH_LEN_MIN + LEN_LOW_SYMBOLS;
s->lzma.len = MATCH_LEN_MIN + LEN_LOW_SYMBOLS
#define LEN_SYMBOLS (LEN_LOW_SYMBOLS + LEN_MID_SYMBOLS + LEN_HIGH_SYMBOLS)