pub unsafe extern "C" fn EVP_PKEY_meth_get_encrypt(
pmeth: *const evp_pkey_method_st,
pencrypt_init: *mut Option<unsafe extern "C" fn(*mut evp_pkey_ctx_st) -> i32>,
pencryptfn: *mut Option<unsafe extern "C" fn(*mut evp_pkey_ctx_st, *mut u8, *mut usize, *const u8, usize) -> i32>,
)