249 struct huff {  struct
259 static void len2huff(struct huff *huff, char bitlen[], int len)  in len2huff()  argument
265   memset(huff, 0, sizeof(struct huff));  in len2huff()
266   for (i = 0; i<len; i++) huff->length[bitlen[i]]++;  in len2huff()
269   *huff->length = *offset = 0;  in len2huff()
270   for (i = 1; i<16; i++) offset[i] = offset[i-1] + huff->length[i-1];  in len2huff()
272   for (i = 0; i<len; i++) if (bitlen[i]) huff->symbol[offset[bitlen[i]]++] = i;  in len2huff()
279 static unsigned huff_and_puff(struct bitbuf *bb, struct huff *huff)  in huff_and_puff()  argument
281   unsigned short *length = huff->length;  in huff_and_puff()
289     if ((length - huff->length) & 16) error_exit("bad symbol");  in huff_and_puff()
292   return huff->symbol[start + offset];  in huff_and_puff()
333       struct huff *disthuff, *lithuff;  in inflate()
337         struct huff *h2 = ((struct huff *)toybuf)+1;  in inflate()
373         len2huff(disthuff = ((struct huff *)toybuf)+2, bits+litlen, distlen);  in inflate()
489   len2huff(TT.fixlithuff = ((struct huff *)toybuf)+3, toybuf, 288);  in init_deflate()
491   len2huff(TT.fixdisthuff = ((struct huff *)toybuf)+4, toybuf, 30);  in init_deflate()