let mut ret = lightning::util::message_signing::sign(msg.to_slice(), &::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *sk}[..]).unwrap());
let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { o.into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() };
local_ret
let mut ret = lightning::util::message_signing::sign(msg.to_slice(), &::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *sk}[..]).unwrap());
let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { o.into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() };
local_ret