Returns the number of remaining bytes that can be read (or skipped over)
from this input stream.
<p>
The value returned is <code>count - pos</code>,
which is the number of bytes remaining to be read from the input buffer.
@return the number of remaining bytes that can be read (or skipped
over) from this input stream without blocking.
Returns the number of remaining bytes that can be read (or skipped over) from this input stream. <p> The value returned is <code>count - pos</code>, which is the number of bytes remaining to be read from the input buffer.
@return the number of remaining bytes that can be read (or skipped over) from this input stream without blocking.