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Daniel Stenberg b935fd4a07

docs: make each libcurl man specify protocol(s)

The mandatory header now has a mandatory list of protocols for which the
manpage is relevant.

Most man pages already has a "PROTOCOLS" section, but this introduces a
stricter way to specify the relevant protocols.

cd2nroff verifies that at least one protocol is mentioned (which can be
`*`).

This information is not used just yet, but A) the PROTOCOLS section can
now instead get generated and get a unified wording across all manpages
and B) this allows us to more reliably filter/search for protocol
specific manpages/options.

Closes #13166

2024-03-21 15:27:06 +01:00

1.8 KiB

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SPDX-License-Identifier

Title

Section

Source

See-also

Protocol

curl

curl_mime_init

libcurl

CURLOPT_MIMEPOST (3)

curl_mime_addpart (3)

curl_mime_free (3)

curl_mime_subparts (3)

HTTP

IMAP

SMTP

NAME

curl_mime_init - create a mime handle

SYNOPSIS

#include <curl/curl.h>

curl_mime *curl_mime_init(CURL *easy_handle);

DESCRIPTION

curl_mime_init(3) 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 CURLOPT_MIMEPOST(3) within a curl_easy_setopt(3) call or added as a multipart in another mime handle's part using curl_mime_subparts(3).

easy_handle 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.

EXAMPLE

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);
}

AVAILABILITY

As long as at least one of HTTP, SMTP or IMAP is enabled. Added in 7.56.0.

RETURN VALUE

A mime struct handle, or NULL upon failure.

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