60 lines
871 B
Markdown
60 lines
871 B
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_TRAILERDATA
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_TRAILERFUNCTION (3)
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- CURLOPT_WRITEFUNCTION (3)
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---
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# NAME
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CURLOPT_TRAILERDATA - pointer passed to trailing headers callback
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# SYNOPSIS
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~~~c
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#include <curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TRAILERDATA, void *userdata);
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~~~
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# DESCRIPTION
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Data pointer to be passed to the HTTP trailer callback function.
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# DEFAULT
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NULL
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# PROTOCOLS
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HTTP
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# EXAMPLE
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~~~c
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struct MyData {
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void *custom;
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};
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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struct MyData data;
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curl_easy_setopt(curl, CURLOPT_TRAILERDATA, &data);
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}
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}
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~~~
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# AVAILABILITY
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This option was added in curl 7.64.0 and is present if HTTP support is enabled
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# RETURN VALUE
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Returns CURLE_OK.
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