Function locked_flake_get_output_attrs 

pub unsafe extern "C" fn locked_flake_get_output_attrs(
    context: *mut c_context,
    settings: *mut flake_settings,
    evalState: *mut EvalState,
    lockedFlake: *mut locked_flake,
) -> *mut value

@brief Get the output attributes of a flake. @param[out] context Optional, stores error information @param[in] settings The settings to use @param[in] locked_flake the flake to get the output attributes from @return A new nix_value or NULL on failure. Release the nix_value with nix_value_decref.