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23 .TH CURLINFO_HEADER_SIZE 3 "May 06, 2017" "libcurl 7.59.0" "curl_easy_getinfo options"
26 CURLINFO_HEADER_SIZE \- get size of retrieved headers
28 #include <curl/curl.h>
30 CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HEADER_SIZE, long *sizep);
32 Pass a pointer to a long to receive the total size of all the headers
33 received. Measured in number of bytes.
35 The total includes the size of any received headers suppressed by
36 \fICURLOPT_SUPPRESS_CONNECT_HEADERS(3)\fP.
41 CURL *curl = curl_easy_init();
44 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
45 res = curl_easy_perform(curl);
48 res = curl_easy_getinfo(curl, CURLINFO_HEADER_SIZE, &size);
50 printf("Header size: %ld bytes\\n", size);
52 curl_easy_cleanup(curl);
58 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
60 .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
61 .BR CURLINFO_REQUEST_SIZE "(3), "
62 .BR CURLINFO_SIZE_DOWNLOAD "(3), "