Function safe_app::ffi::ipc::encode_auth_req

#[no_mangle]
pub unsafe extern "C" fn encode_auth_req(
    req: *const AuthReq, 
    user_data: *mut c_void, 
    o_cb: extern "C" fn(user_data: *mut c_void, result: *const FfiResult, req_id: u32, encoded: *const c_char)
)

Encode AuthReq.

Callback parameters: user data, error code, request id, encoded request