201     unsigned int i, j, b, cls, num;  in create_huffman_tbl()  local
212         cls = d >> 4;  in create_huffman_tbl()
216         jd->huffbits[num][cls] = pb;  in create_huffman_tbl()
222         jd->huffcode[num][cls] = ph;  in create_huffman_tbl()
234         jd->huffdata[num][cls] = pd;  in create_huffman_tbl()
237             if(!cls && d > 11) return JDR_FMT1;  in create_huffman_tbl()
246             if(cls) {  in create_huffman_tbl()
261                     if(cls) {  in create_huffman_tbl()
271             jd->longofs[num][cls] = i;  /* Code table offset for long code */  in create_huffman_tbl()
289     unsigned int cls    /* Table class (0:DC, 1:AC) */  in huffext()  argument
298     const uint8_t * hb = jd->huffbits[id][cls]; /* Bit distribution table */  in huffext()
299     const uint16_t * hc = jd->huffcode[id][cls]; /* Code word table */  in huffext()
300     const uint8_t * hd = jd->huffdata[id][cls]; /* Data table */  in huffext()
387     if(cls) {   /* AC element */  in huffext()
403     hb = jd->huffbits[id][cls] + HUFF_BIT;              /* Bit distribution table */  in huffext()
404     hc = jd->huffcode[id][cls] + jd->longofs[id][cls];  /* Code word table */  in huffext()
405     hd = jd->huffdata[id][cls] + jd->longofs[id][cls];  /* Data table */  in huffext()
409     hb = jd->huffbits[id][cls]; /* Bit distribution table */  in huffext()
410     hc = jd->huffcode[id][cls]; /* Code word table */  in huffext()
411     hd = jd->huffdata[id][cls]; /* Data table */  in huffext()