> On 27 Apr 2020, at 16:52, Jeffrey Walton <[email protected]> wrote:
>
> Hi Everyone,
>
> I'm reading https://httpd.apache.org/docs/2.4/developer/hooks.html. It
> says to declare a hook function:
>
> AP_DECLARE_HOOK(int, do_something, (request_rec *r, int n))
That declares a hook to enable modules to insert a function.
The r and the n are arguments to the function do_something.
Best way to get a feel for it is to look at examples in the core
server and standard modules, and match the declarations to
AP_IMPLEMENT_HOOK_* and ap_hook_*.
Hooks are pretty central to everything.
--
Nick Kew
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