42 lines
962 B
Groff
42 lines
962 B
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_TRAILERDATA.md
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.TH CURLOPT_TRAILERDATA 3 "2025-07-07" libcurl
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.SH NAME
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CURLOPT_TRAILERDATA \- pointer passed to trailing headers callback
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.SH SYNOPSIS
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.nf
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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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.fi
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.SH DESCRIPTION
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Data pointer to be passed to the HTTP trailer callback function.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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This functionality affects http only
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.SH EXAMPLE
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.nf
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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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.fi
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.SH AVAILABILITY
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Added in curl 7.64.0
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.SH RETURN VALUE
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\fIcurl_easy_setopt(3)\fP returns a CURLcode indicating success or error.
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CURLE_OK (0) means everything was OK, non\-zero means an error occurred, see
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\fIlibcurl\-errors(3)\fP.
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.SH SEE ALSO
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.BR CURLOPT_TRAILERFUNCTION (3),
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.BR CURLOPT_WRITEFUNCTION (3)
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