Function indy_sys::anoncreds::indy_prover_create_proof

#[no_mangle]
pub unsafe extern "C" fn indy_prover_create_proof(
    command_handle: Handle, 
    wallet_handle: Handle, 
    proof_req_json: CString, 
    requested_credentials_json: CString, 
    master_secret_id: CString, 
    schemas_json: CString, 
    credential_defs_json: CString, 
    rev_states_json: CString, 
    cb: Option<ResponseStringCB>
) -> Error