Function bearssl_sys::br_x509_decoder_init

pub unsafe extern "C" fn br_x509_decoder_init(
    ctx: *mut br_x509_decoder_context, 
    append_dn: Option<unsafe extern "C" fn(_: *mut c_void, _: *const c_void, _: usize)>, 
    append_dn_ctx: *mut c_void
)