292     int buf_pos, len;  in write_header()  local
305     buf_pos = 4;  in write_header()
307     buf[buf_pos++] = s->flags;  in write_header()
310         len = write_palette(s, buf + buf_pos, buf_size - buf_pos);  in write_header()
313         buf_pos += len;  in write_header()
316     return buf_pos;  in write_header()
321     int buf_pos = 0;  in write_block()  local
333     buf[buf_pos++] = block_size >> 8;  in write_block()
334     buf[buf_pos++] = block_size;  in write_block()
337         return buf_pos;  in write_block()
339     buf[buf_pos++] = b->flags;  in write_block()
342         buf[buf_pos++] = (b->start);  in write_block()
343         buf[buf_pos++] = (b->len);  in write_block()
348         buf[buf_pos++] = (b->col);  in write_block()
349         buf[buf_pos++] = (b->row);  in write_block()
352     memcpy(buf + buf_pos, b->data, b->data_size);  in write_block()
354     buf_pos += b->data_size;  in write_block()
356     return buf_pos;  in write_block()
679     int row, col, buf_pos = 0, len;  in write_all_blocks()  local
684             len = write_block(b, buf + buf_pos, buf_size - buf_pos);  in write_all_blocks()
688             buf_pos += len;  in write_all_blocks()
691     return buf_pos;  in write_all_blocks()
697     int buf_pos, res;  in write_bitstream()  local
710         buf_pos = res;  in write_bitstream()
712     res = write_all_blocks(s, buf + buf_pos, buf_size - buf_pos);  in write_bitstream()
715     buf_pos += res;  in write_bitstream()
717     s->total_bits += ((double) buf_pos) * 8.0;  in write_bitstream()
720     return buf_pos;  in write_bitstream()