Defining interface in header

[Briggybros]

Hello, I'm trying to refactor my project so that it is more modular, instead of being one monolithic main.xc. I have an interface, and am trying to split the clients and server of this interface into two separate modules. The problem comes when referencing this interface anywhere. Currently, I have a header with just the interface, which I am including in the headers and body of the server and client modules. However, when building, the function where I define an array of these interfaces errors; "error: array type has incomplete element type", on the line which looks like:

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interface i interf[workerCount];

workerCount is defined;

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#define workerCount = 7

the imported interface header is as follows:

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interface wsi {
    int getLine();
    void ret(int y, int x, char c);
    void lineDone();
};

typedef interface wsi i;

Is there a way to define an interface in such a way which actually compiles?

[Gothmag]

To create an array of interfaces you just have typename varname[count]. You don't need to add the interface keyword since you already typedef'd it. In your interface declaration I would just do:

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typedef interface wsi {
    int getLine();
    void ret(int y, int x, char c);
    void lineDone();
} wsi;

It looks a little cleaner, at least to me. Then you just create the array like this.

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wsi wsi_ifs[workerCount];