- * If the input is a tape, we tried to read PREFIXSIZE +
- * ntrec * TP_BSIZE bytes. If it's not a compressed dump tape
- * or the value of ntrec is too large, we have read less than
- * what we asked for; adjust the value of ntrec and test for
- * a compressed dump tape prefix.
+ * If the input is a variable block size tape, we tried to
+ * read PREFIXSIZE + ntrec * TP_BSIZE bytes.
+ * If it's not a compressed dump tape or the value of ntrec is
+ * too large, we have read less than * what we asked for;
+ * adjust the value of ntrec and test for * a compressed dump
+ * tape prefix.