while (begin >= (off_t) ct->c_begin) {
fseeko (ct->c_fp, begin, SEEK_SET);
while ((bytes_read = fread (buffer, 1, sizeof buffer, ct->c_fp)) > 0) {
while (begin >= (off_t) ct->c_begin) {
fseeko (ct->c_fp, begin, SEEK_SET);
while ((bytes_read = fread (buffer, 1, sizeof buffer, ct->c_fp)) > 0) {