pub unsafe extern "C" fn EVP_PKEY_meth_get_keygen(
pmeth: *const evp_pkey_method_st,
pkeygen_init: *mut Option<unsafe extern "C" fn(_: *mut evp_pkey_ctx_st) -> i32>,
pkeygen: *mut Option<unsafe extern "C" fn(_: *mut evp_pkey_ctx_st, _: *mut evp_pkey_st) -> i32>,
)