[lwip-devel] [patch #6786] task #7507: Hook to support static hosts file in DNS lookup

[Simon Goldschmidt]

Follow-up Comment #13, patch #6786 (project lwip):

> One minor addition I would suggest: currently there's no means
> of defining the prototype for the callout function so the
> compiler warns about its implicit declaration.

I've also thought about that, but sys.h or sys_arch.h is definitively not the
right header, because they are for OS adaption. It would be enough if the
function is defined in cc.h or even lwipopts.h.

I deliberately did not prototype the function as you could decide to have it
static, extern or inline, which would be pre-decided if I made that prototype.

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