The compare is "deep", i.e. dynamically allocated data within the
object is also compared.
\param block1 A pointer to an existing object.
\param block2 A pointer to an existing object.
\assert
\code block1 != NULL \endcode
\code block2 != NULL \endcode
\retval FLAC__bool
\c true if objects are identical, else \c false.
Compares two metadata objects.
The compare is "deep", i.e. dynamically allocated data within the object is also compared.
\param block1 A pointer to an existing object. \param block2 A pointer to an existing object. \assert \code block1 != NULL \endcode \code block2 != NULL \endcode \retval FLAC__bool \c true if objects are identical, else \c false.