This Manual describes the programming interface and the source code of WinPcap. It provides detailed descr iptions of the functions and structures exported to programmers, along with complete documentation of the WinPcap internals. Several tutorials and examples are provided as well.-This Manual describes the programming interface and the source code of WinPcap. It provides detailed descr iptions of the functions and structures exported to programmers, along with complete documentation of the WinPcap internals. Several tutorials and examples are provided as well.