Function secp256k1_zkp_sys::secp256k1_rangeproof_sign

pub unsafe extern "C" fn secp256k1_rangeproof_sign(
    ctx: *const Context, 
    proof: *mut c_uchar, 
    plen: *mut size_t, 
    min_value: u64, 
    commit: *const PedersenCommitment, 
    blind: *const c_uchar, 
    nonce: *const c_uchar, 
    exp: c_int, 
    min_bits: c_int, 
    value: u64, 
    message: *const c_uchar, 
    msg_len: size_t, 
    extra_commit: *const c_uchar, 
    extra_commit_len: size_t, 
    gen: *const PublicKey
) -> c_int