3.3 Defining the Servlet

Each servlet must define a function for the HydraExpress servlet container to use to load the servlet. The RWSF_DEFINE_SERVLET macro takes the name of the servlet class, an argument, and expands to an appropriate function. For the HelloWorldExample servlet, the servlet class is named HelloWorldExample. Therefore, the servlet implementation file contains the line below:

RWSF_DEFINE_SERVLET(HelloWorldExample)

Since the macro expands to a function, the macro must appear in only one file for each servlet. For more details on the macro, see Section 6.5, "Defining Filters, Servlets, and Listeners."

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