Function gnunet_sys::EXTRACTOR_meta_data_print

pub unsafe extern "C" fn EXTRACTOR_meta_data_print(
    handle: *mut c_void, 
    plugin_name: *const c_char, 
    type_: EXTRACTOR_MetaType, 
    format: EXTRACTOR_MetaFormat, 
    data_mime_type: *const c_char, 
    data: *const c_char, 
    data_len: usize
) -> c_int