Provided by: libcurl4-doc_7.81.0-1ubuntu1.21_all 

NAME
curl_mime_headers - set a mime part's custom headers
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_mime_headers(curl_mimepart *part,
struct curl_slist *headers, int take_ownership);
DESCRIPTION
curl_mime_headers(3) sets a mime part's custom headers.
part is the part's handle to assign the custom headers list to.
headers is the head of a list of custom headers; it may be set to NULL to remove a previously attached
custom header list.
take_ownership: 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's custom headers list twice is valid: only the value set by the last call is retained.
EXAMPLE
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, "Custom-Header: mooo");
/* use these headers, please take ownership */
curl_mime_headers(part, headers, TRUE);
/* pass on this data */
curl_mime_data(part, "12345679", CURL_ZERO_TERMINATED);
/* set name */
curl_mime_name(part, "numbers");
AVAILABILITY
As long as at least one of HTTP, SMTP or IMAP is enabled. Added in 7.56.0.
RETURN VALUE
CURLE_OK or a CURL error code upon failure.
SEE ALSO
curl_mime_addpart(3)
libcurl 7.81.0 November 26, 2021 curl_mime_headers(3)