You are viewing documentation for version:4.0.2PDFSiWx91x Socket Shutdown Option#Macros##defineSHUTDOWN_BY_ID 0Shutdown by ID. #defineSHUTDOWN_BY_PORT 1Shutdown by port. Macro Definition Documentation#SHUTDOWN_BY_ID##define SHUTDOWN_BY_IDValue:0Shutdown by ID. SHUTDOWN_BY_PORT##define SHUTDOWN_BY_PORTValue:1Shutdown by port.