364    size_t               end_count;  /* bytes in the last buffer */  member
403    buffer->end_count = 0;  in buffer_start_write()
484             buffer->end_count = count;  in buffer_from_file()
809          (last == bp->last && read_count >= bp->end_count))  in buffer_read()
1261    size_t end_count = buffer->end_count;  in buffer_write()  local
1267       if (end_count >= sizeof last->buffer)  in buffer_write()
1281          end_count = 0;  in buffer_write()
1284       avail = (sizeof last->buffer) - end_count;  in buffer_write()
1288       memcpy(last->buffer + end_count, data, avail);  in buffer_write()
1289       end_count += avail;  in buffer_write()
1294    buffer->end_count = end_count;  in buffer_write()