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- .\" generated by cd2nroff 0.1 from CURLOPT_STDERR.md
- .TH CURLOPT_STDERR 3 "2025-01-17" libcurl
- .SH NAME
- CURLOPT_STDERR \- redirect stderr to another stream
- .SH SYNOPSIS
- .nf
- #include <curl/curl.h>
- CURLcode curl_easy_setopt(CURL *handle, CURLOPT_STDERR, FILE *stream);
- .fi
- .SH DESCRIPTION
- Pass a FILE * as parameter. Tell libcurl to use this \fIstream\fP instead of
- stderr when showing the progress meter and displaying \fICURLOPT_VERBOSE(3)\fP
- data.
- If you are using libcurl as a Windows DLL, this option causes an exception and
- a crash in the library since it cannot access a FILE * passed on from the
- application. A work\-around is to instead use \fICURLOPT_DEBUGFUNCTION(3)\fP.
- .SH DEFAULT
- stderr
- .SH PROTOCOLS
- This functionality affects all supported protocols
- .SH EXAMPLE
- .nf
- int main(void)
- {
- CURL *curl = curl_easy_init();
- FILE *filep = fopen("dump", "wb");
- if(curl) {
- curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
- curl_easy_setopt(curl, CURLOPT_STDERR, filep);
- curl_easy_perform(curl);
- }
- }
- .fi
- .SH AVAILABILITY
- Added in curl 7.1
- .SH RETURN VALUE
- Returns CURLE_OK
- .SH SEE ALSO
- .BR CURLOPT_DEBUGFUNCTION (3),
- .BR CURLOPT_NOPROGRESS (3),
- .BR CURLOPT_VERBOSE (3)
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