static void x509_start_cert(const br_x509_class **ctx, uint32_t length)
{
  struct x509_context *x509 = (struct x509_context *)ctx;

  x509->minimal.vtable->start_cert(&x509->minimal.vtable, length);
}
static void x509_start_cert(const br_x509_class **ctx, uint32_t length)
{
  struct x509_context *x509 = (struct x509_context *)ctx;

  x509->minimal.vtable->start_cert(&x509->minimal.vtable, length);
}