```\nfunction enterMarket(address \_cTokenAddr) public {\n    address[] memory markets = new address[](1);\n    markets[0] = \_cTokenAddr;\n\n    IComptroller(COMPTROLLER\_ADDR).enterMarkets(markets);\n}\n\n/// @notice Exits the Compound market\n/// @param \_cTokenAddr CToken address of the token\nfunction exitMarket(address \_cTokenAddr) public {\n    IComptroller(COMPTROLLER\_ADDR).exitMarket(\_cTokenAddr);\n}\n```\n