*
* \param btrn The node whose input queue is to be queried.
* \param omit Number of bytes to be omitted.
- * \param bufp Result pointer.
+ * \param bufp Result pointer. It is OK to pass \p NULL here.
*
* If a buffer tree node needs more input data but can not consume the data it
* already has (because it might be needed again later) this function can be
}
/**
- * Execute a inter-node command on the given node or on a parent node.
+ * Execute an inter-node command on the given node or on a parent node.
*
* \param btrn The node to start looking.
* \param command The command to execute.