Function wolfSSL_get_keys 

pub unsafe extern "C" fn wolfSSL_get_keys(
    ssl: *mut WOLFSSL,
    ms: *mut *mut c_uchar,
    msLen: *mut c_uint,
    sr: *mut *mut c_uchar,
    srLen: *mut c_uint,
    cr: *mut *mut c_uchar,
    crLen: *mut c_uint,
) -> c_int