are unspecified.</p></dd><dt><code>(blob-uint-ref </code><var>size</var> <var>endianness</var> <var>blob</var> <var>k</var><code>)</code></dt><dt><code>(blob-sint-ref </code><var>size</var> <var>endianness</var> <var>blob</var> <var>k</var><code>)</code></dt><dt><code>(blob-uint-set! </code><var>size</var> <var>endianness</var> <var>blob</var> <var>k</var> <var>n</var><code>)</code></dt><dt><code>(blob-sint-set! </code><var>size</var> <var>endianness</var> <var>blob</var> <var>k</var> <var>n</var><code>)</c