Those members are automatically added to your QRPGLESRC source file when you run command cgidev2/setcgilib.

They are automatically included in your prototype CGI ILE-RPG source when you run command cgidev2/crtcgisrc.

Here comes the list of those members:

1. hspecs
   It provides defaults for your CRTRPGMOD command
2. hspecsbnd
   It provides binding information for your CRTPGM command, so you do not need to specify it
3. prototypeb
   It provides the layouts of service program subprocedures prototypes
4. usec
   It provides the standard layout of APIs return code
5. variables1 or
   variables2 or
   variables3 or
   They define most of the variables used to invoke service program subprocedures. Three member are available, depending on the combination of "read input" and "parsing" procedures that you may select in command cgidev2/crtcgisrc.
6. prolog1 or
   prolog2 or
   prolog3
   They perform the read of the string inputted from the remote browser. Three member are available, depending on the combination of "read input" and "parsing" procedures that you may select in command cgidev2/crtcgisrc.