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- .\" generated by cd2nroff 0.1 from CURLOPT_TRAILERDATA.md
- .TH CURLOPT_TRAILERDATA 3 "2025-01-17" libcurl
- .SH NAME
- CURLOPT_TRAILERDATA \- pointer passed to trailing headers callback
- .SH SYNOPSIS
- .nf
- #include <curl.h>
- CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TRAILERDATA, void *userdata);
- .fi
- .SH DESCRIPTION
- Data pointer to be passed to the HTTP trailer callback function.
- .SH DEFAULT
- NULL
- .SH PROTOCOLS
- This functionality affects http only
- .SH EXAMPLE
- .nf
- struct MyData {
- void *custom;
- };
- int main(void)
- {
- CURL *curl = curl_easy_init();
- if(curl) {
- struct MyData data;
- curl_easy_setopt(curl, CURLOPT_TRAILERDATA, &data);
- }
- }
- .fi
- .SH AVAILABILITY
- Added in curl 7.64.0
- .SH RETURN VALUE
- Returns CURLE_OK.
- .SH SEE ALSO
- .BR CURLOPT_TRAILERFUNCTION (3),
- .BR CURLOPT_WRITEFUNCTION (3)
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