Function btck_chainstate_manager_options_create 

pub unsafe extern "C" fn btck_chainstate_manager_options_create(
    context: *const btck_Context,
    data_directory: *const c_char,
    data_directory_len: usize,
    blocks_directory: *const c_char,
    blocks_directory_len: usize,
) -> *mut btck_ChainstateManagerOptions

@brief Create options for the chainstate manager.

@param[in] context Non-null, the created options and through it the chainstate manager will associate with this kernel context for the duration of their lifetimes. @param[in] data_directory Non-null, non-empty path string of the directory containing the chainstate data. If the directory does not exist yet, it will be created. @param[in] blocks_directory Non-null, non-empty path string of the directory containing the block data. If the directory does not exist yet, it will be created. @return The allocated chainstate manager options, or null on error.