DECLARE_STACK_OF(X509_NAME)
DECLARE_STACK_OF(X509_ALGOR) DECLARE_ASN1_SET_OF(X509_ALGOR)
DECLARE_STACK_OF(X509_NAME)#define X509_EX_V_NETSCAPE_HACK		0x8000#define X509_EX_V_INIT			0x0001typedef struct X509_extension_st	{	ASN1_OBJECT *object;	ASN1_BOOLEAN critical;	ASN1_OCTET_STRING *value;	} X509_EXTENSION;