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docs: add FD_ZERO to curl_multi_fdset example

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While the examples are not intended to complete applications this is
quite relevant for the correct function of the code.

Closes #16325
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Harry Sintonen 2025-02-13 20:33:33 +02:00 committed by Daniel Stenberg
parent 92af12a7e0
commit f138177b92
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docs/libcurl/curl_multi_fdset.md
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@ -100,6 +100,10 @@ int main(void)
/* call curl_multi_perform() */ /* call curl_multi_perform() */
FD_ZERO(&fdread);
FD_ZERO(&fdwrite);
FD_ZERO(&fdexcep);
/* get file descriptors from the transfers */ /* get file descriptors from the transfers */
mc = curl_multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd); mc = curl_multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);