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CURLINFO_HEADER_SIZE(3)    curl_easy_getinfo options   CURLINFO_HEADER_SIZE(3)

NAME

CURLINFO_HEADER_SIZE - get size of retrieved headers

SYNOPSIS

#include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HEADER_SIZE, long *sizep);

DESCRIPTION

Pass a pointer to a long to receive the total size of all the headers received. Measured in number of bytes. The total includes the size of any received headers suppressed by CURLOPT_SUPPRESS_CONNECT_HEADERS(3).

PROTOCOLS

All

EXAMPLE

CURL *curl = curl_easy_init(); if(curl) { CURLcode res; curl_easy_setopt(curl, CURLOPT_URL, "http://example.com"); res = curl_easy_perform(curl); if(res == CURLE_OK) { long size; res = curl_easy_getinfo(curl, CURLINFO_HEADER_SIZE, &size); if(!res) printf("Header size: %ld bytes\n", size); } curl_easy_cleanup(curl); }

AVAILABILITY

Added in 7.4.1

RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

SEE ALSO

curl_easy_getinfo(3), curl_easy_setopt(3), CURLINFO_REQUEST_SIZE(3), CURLINFO_SIZE_DOWNLOAD(3), libcurl 7.65.3 May 6, 2017 CURLINFO_HEADER_SIZE(3)

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