Function openssl_sys::EC_POINT_point2oct

pub unsafe extern "C" fn EC_POINT_point2oct(
    group: *const EC_GROUP, 
    p: *const EC_POINT, 
    form: point_conversion_form_t, 
    buf: *mut c_uchar, 
    len: size_t, 
    ctx: *mut BN_CTX
) -> size_t