int crypt_init_by_name(struct crypt_device **cd, const char *name)
{
	return crypt_init_by_name_and_header(cd, name, NULL);
}
int crypt_init_by_name(struct crypt_device **cd, const char *name)
{
	return crypt_init_by_name_and_header(cd, name, NULL);
}