Function hyper_response_version 

#[unsafe(no_mangle)]
pub extern "C" fn hyper_response_version(
    resp: *const hyper_response,
) -> c_int

Available on hyper_unstable_ffi and crate feature ffi only.

Get the HTTP version used by this response.

The returned value could be:

• HYPER_HTTP_VERSION_1_0
• HYPER_HTTP_VERSION_1_1
• HYPER_HTTP_VERSION_2
• HYPER_HTTP_VERSION_NONE if newer (or older).