pub unsafe extern "C" fn indy_prover_get_credentials_for_proof_req(
command_handle: CommandHandle,
wallet_handle: WalletHandle,
proof_request_json: CString,
cb: Option<ResponseStringCB>
) -> Error
pub unsafe extern "C" fn indy_prover_get_credentials_for_proof_req(
command_handle: CommandHandle,
wallet_handle: WalletHandle,
proof_request_json: CString,
cb: Option<ResponseStringCB>
) -> Error