DH_METHOD
static DH_METHOD dh_ossl = {
const DH_METHOD *
static const DH_METHOD *default_DH_method = NULL;
DH_set_default_method(const DH_METHOD *meth)
const DH_METHOD *
DH_set_method(DH *dh, const DH_METHOD *meth)
const DH_METHOD *mtmp;
const DH_METHOD *meth;
const DH_METHOD *dh_meth;
const DH_METHOD *
ENGINE_set_DH(ENGINE *e, const DH_METHOD *dh_meth)
const DH_METHOD *DH_OpenSSL(void);
void DH_set_default_method(const DH_METHOD *meth);
const DH_METHOD *DH_get_default_method(void);
int DH_set_method(DH *dh, const DH_METHOD *meth);
int ENGINE_set_DH(ENGINE *e, const DH_METHOD *dh_meth);
const DH_METHOD *ENGINE_get_DH(const ENGINE *e);