Gets any loaded data from the ostream. Ownership of the data
is transferred to the caller; when no longer needed it must be
freed using the free function set in ostream's
destroy-function property.
ostream must be closed before calling this function.
Gets any loaded data from the ostream. Ownership of the data is transferred to the caller; when no longer needed it must be freed using the free function set in ostream's destroy-function property.
ostream must be closed before calling this function.