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.\" generated by cd2nroff 0.1 from curl_mime_init.md
.TH curl_mime_init 3 "2025-06-27" libcurl
.SH NAME
curl_mime_init \- create a mime handle
.SH SYNOPSIS
.nf
#include <curl/curl.h>
curl_mime *curl_mime_init(CURL *easy_handle);
.fi
.SH DESCRIPTION
\fIcurl_mime_init(3)\fP creates a handle to a new empty mime structure.
This mime structure can be subsequently filled using the mime API, then
attached to some easy handle using option \fICURLOPT_MIMEPOST(3)\fP within
a \fIcurl_easy_setopt(3)\fP call or added as a multipart in another mime
handle\(aqs part using \fIcurl_mime_subparts(3)\fP.
\fIeasy_handle\fP is used for part separator randomization and error
reporting. Since 7.87.0, it does not need to be the final target handle.
Using a mime handle is the recommended way to post an HTTP form, format and
send a multi\-part email with SMTP or upload such an email to an IMAP server.
.SH PROTOCOLS
This functionality affects http, imap and smtp
.SH EXAMPLE
.nf
int main(void)
{
CURL *easy = curl_easy_init();
curl_mime *mime;
curl_mimepart *part;
/* Build an HTTP form with a single field named "data", */
mime = curl_mime_init(easy);
part = curl_mime_addpart(mime);
curl_mime_data(part, "This is the field data", CURL_ZERO_TERMINATED);
curl_mime_name(part, "data");
/* Post and send it. */
curl_easy_setopt(easy, CURLOPT_MIMEPOST, mime);
curl_easy_setopt(easy, CURLOPT_URL, "https://example.com");
curl_easy_perform(easy);
/* Clean-up. */
curl_easy_cleanup(easy);
curl_mime_free(mime);
}
.fi
.SH AVAILABILITY
Added in curl 7.56.0
.SH RETURN VALUE
A mime struct handle, or NULL upon failure.
.SH SEE ALSO
.BR CURLOPT_MIMEPOST (3),
.BR curl_mime_addpart (3),
.BR curl_mime_free (3),
.BR curl_mime_subparts (3)