pub unsafe extern "C" fn EVP_MD_meth_get_copy(
md: *const evp_md_st,
) -> Option<unsafe extern "C" fn(*mut evp_md_ctx_st, *const evp_md_ctx_st) -> i32>pub unsafe extern "C" fn EVP_MD_meth_get_copy(
md: *const evp_md_st,
) -> Option<unsafe extern "C" fn(*mut evp_md_ctx_st, *const evp_md_ctx_st) -> i32>