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repo/core/curl/files/curl_mime_headers.3
2024-08-02 20:52:59 -05:00

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.\" generated by cd2nroff 0.1 from curl_mime_headers.md
.TH curl_mime_headers 3 "2024-08-02" libcurl
.SH NAME
curl_mime_headers \- set a mime part\(aqs custom headers
.SH SYNOPSIS
.nf
#include <curl/curl.h>
CURLcode curl_mime_headers(curl_mimepart *part,
struct curl_slist *headers, int take_ownership);
.fi
.SH DESCRIPTION
\fIcurl_mime_headers(3)\fP sets a mime part\(aqs custom headers.
\fIpart\fP is the part\(aqs handle to assign the custom headers list to.
\fIheaders\fP is the head of a list of custom headers; it may be set to NULL
to remove a previously attached custom header list.
\fItake_ownership\fP: when non\-zero, causes the list to be freed upon
replacement or mime structure deletion; in this case the list must not be
freed explicitly.
Setting a part\(aqs custom headers list multiple times is valid: only the value
set by the last call is retained.
.SH PROTOCOLS
This functionality affects http, imap and smtp
.SH EXAMPLE
.nf
int main(void)
{
struct curl_slist *headers = NULL;
CURL *easy = curl_easy_init();
curl_mime *mime;
curl_mimepart *part;
headers = curl_slist_append(headers, "Custom-Header: mooo");
mime = curl_mime_init(easy);
part = curl_mime_addpart(mime);
/* use these headers in the part, takes ownership */
curl_mime_headers(part, headers, 1);
/* pass on this data */
curl_mime_data(part, "12345679", CURL_ZERO_TERMINATED);
/* set name */
curl_mime_name(part, "numbers");
/* Post and send it. */
curl_easy_setopt(easy, CURLOPT_MIMEPOST, mime);
curl_easy_setopt(easy, CURLOPT_URL, "https://example.com");
curl_easy_perform(easy);
}
.fi
.SH AVAILABILITY
Added in curl 7.56.0
.SH RETURN VALUE
CURLE_OK or a CURL error code upon failure.
.SH SEE ALSO
.BR curl_mime_addpart (3),
.BR curl_mime_name (3)