This optional record appears to contain a text string that describes the program that wrote the file and the source of the data. (This is redundant with the file label and product info found in the file header record.)
/* Header. */ int32 rec_type; int32 subtype; int32 size; int32 count; /* Exactly
countbytes of data. */ char info;
Record type. Always set to 7.
Record subtype. Always set to 10.
The size of each element in the
info member. Always set to 1.
The total number of bytes in
A text string. A product that identifies itself as
INTERVIEWER 4.3 uses CR-only line ends in this field, rather than the
more usual LF-only or CR LF line ends.