1CURLOPT_DEBUGDATA(3) libcurl CURLOPT_DEBUGDATA(3)
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6 CURLOPT_DEBUGDATA - pointer passed to the debug callback
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9 #include <curl/curl.h>
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11 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DEBUGDATA, void *pointer);
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14 Pass a pointer to whatever you want passed in to your CURLOPT_DEBUGā
15 FUNCTION(3) in the last void * argument. This pointer is not used by
16 libcurl, it is only passed to the callback.
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19 NULL
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22 All
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25 int main(void)
26 {
27 CURL *curl;
28 CURLcode res;
29 struct data my_tracedata;
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31 curl = curl_easy_init();
32 if(curl) {
33 curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace);
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35 curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &my_tracedata);
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37 /* the DEBUGFUNCTION has no effect until we enable VERBOSE */
38 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
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40 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
41 res = curl_easy_perform(curl);
42
43 /* always cleanup */
44 curl_easy_cleanup(curl);
45 }
46 return 0;
47 }
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50 Always
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53 Returns CURLE_OK
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56 CURLOPT_STDERR(3), CURLOPT_DEBUGFUNCTION(3),
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60ibcurl 8.2.1 April 26, 2023 CURLOPT_DEBUGDATA(3)