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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<link title="Uq_engines" rel="Chapter" href="Uq_engines.html">
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<link title="Uq_transfer" rel="Chapter" href="Uq_transfer.html">
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<link title="Uq_server" rel="Chapter" href="Uq_server.html">
<link title="Uq_datagram" rel="Chapter" href="Uq_datagram.html">
<link title="Uq_engines_compat" rel="Chapter" href="Uq_engines_compat.html">
<link title="Equeue_intro" rel="Chapter" href="Equeue_intro.html">
<link title="Equeue_howto" rel="Chapter" href="Equeue_howto.html">
<link title="Netcamlbox" rel="Chapter" href="Netcamlbox.html">
<link title="Netcgi_apache" rel="Chapter" href="Netcgi_apache.html">
<link title="Netcgi_modtpl" rel="Chapter" href="Netcgi_modtpl.html">
<link title="Netcgi_plex" rel="Chapter" href="Netcgi_plex.html">
<link title="Netcgi_common" rel="Chapter" href="Netcgi_common.html">
<link title="Netcgi" rel="Chapter" href="Netcgi.html">
<link title="Netcgi_ajp" rel="Chapter" href="Netcgi_ajp.html">
<link title="Netcgi_scgi" rel="Chapter" href="Netcgi_scgi.html">
<link title="Netcgi_cgi" rel="Chapter" href="Netcgi_cgi.html">
<link title="Netcgi_fcgi" rel="Chapter" href="Netcgi_fcgi.html">
<link title="Netcgi_dbi" rel="Chapter" href="Netcgi_dbi.html">
<link title="Netcgi1_compat" rel="Chapter" href="Netcgi1_compat.html">
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<link title="Nethttp_client_conncache" rel="Chapter" href="Nethttp_client_conncache.html">
<link title="Nethttp_client" rel="Chapter" href="Nethttp_client.html">
<link title="Nettelnet_client" rel="Chapter" href="Nettelnet_client.html">
<link title="Netftp_data_endpoint" rel="Chapter" href="Netftp_data_endpoint.html">
<link title="Netftp_client" rel="Chapter" href="Netftp_client.html">
<link title="Nethttp_fs" rel="Chapter" href="Nethttp_fs.html">
<link title="Netftp_fs" rel="Chapter" href="Netftp_fs.html">
<link title="Netsmtp" rel="Chapter" href="Netsmtp.html">
<link title="Netpop" rel="Chapter" href="Netpop.html">
<link title="Netldap" rel="Chapter" href="Netldap.html">
<link title="Netclient_tut" rel="Chapter" href="Netclient_tut.html">
<link title="Netgss_bindings" rel="Chapter" href="Netgss_bindings.html">
<link title="Netgss" rel="Chapter" href="Netgss.html">
<link title="Nethttpd_types" rel="Chapter" href="Nethttpd_types.html">
<link title="Nethttpd_kernel" rel="Chapter" href="Nethttpd_kernel.html">
<link title="Nethttpd_reactor" rel="Chapter" href="Nethttpd_reactor.html">
<link title="Nethttpd_engine" rel="Chapter" href="Nethttpd_engine.html">
<link title="Nethttpd_services" rel="Chapter" href="Nethttpd_services.html">
<link title="Nethttpd_plex" rel="Chapter" href="Nethttpd_plex.html">
<link title="Nethttpd_util" rel="Chapter" href="Nethttpd_util.html">
<link title="Nethttpd_intro" rel="Chapter" href="Nethttpd_intro.html">
<link title="Netmcore" rel="Chapter" href="Netmcore.html">
<link title="Netmcore_camlbox" rel="Chapter" href="Netmcore_camlbox.html">
<link title="Netmcore_mempool" rel="Chapter" href="Netmcore_mempool.html">
<link title="Netmcore_heap" rel="Chapter" href="Netmcore_heap.html">
<link title="Netmcore_ref" rel="Chapter" href="Netmcore_ref.html">
<link title="Netmcore_array" rel="Chapter" href="Netmcore_array.html">
<link title="Netmcore_sem" rel="Chapter" href="Netmcore_sem.html">
<link title="Netmcore_mutex" rel="Chapter" href="Netmcore_mutex.html">
<link title="Netmcore_condition" rel="Chapter" href="Netmcore_condition.html">
<link title="Netmcore_queue" rel="Chapter" href="Netmcore_queue.html">
<link title="Netmcore_buffer" rel="Chapter" href="Netmcore_buffer.html">
<link title="Netmcore_matrix" rel="Chapter" href="Netmcore_matrix.html">
<link title="Netmcore_hashtbl" rel="Chapter" href="Netmcore_hashtbl.html">
<link title="Netmcore_process" rel="Chapter" href="Netmcore_process.html">
<link title="Netmcore_tut" rel="Chapter" href="Netmcore_tut.html">
<link title="Netmcore_basics" rel="Chapter" href="Netmcore_basics.html">
<link title="Netplex_types" rel="Chapter" href="Netplex_types.html">
<link title="Netplex_mp" rel="Chapter" href="Netplex_mp.html">
<link title="Netplex_mt" rel="Chapter" href="Netplex_mt.html">
<link title="Netplex_log" rel="Chapter" href="Netplex_log.html">
<link title="Netplex_controller" rel="Chapter" href="Netplex_controller.html">
<link title="Netplex_container" rel="Chapter" href="Netplex_container.html">
<link title="Netplex_sockserv" rel="Chapter" href="Netplex_sockserv.html">
<link title="Netplex_workload" rel="Chapter" href="Netplex_workload.html">
<link title="Netplex_main" rel="Chapter" href="Netplex_main.html">
<link title="Netplex_config" rel="Chapter" href="Netplex_config.html">
<link title="Netplex_kit" rel="Chapter" href="Netplex_kit.html">
<link title="Rpc_netplex" rel="Chapter" href="Rpc_netplex.html">
<link title="Netplex_cenv" rel="Chapter" href="Netplex_cenv.html">
<link title="Netplex_semaphore" rel="Chapter" href="Netplex_semaphore.html">
<link title="Netplex_sharedvar" rel="Chapter" href="Netplex_sharedvar.html">
<link title="Netplex_mutex" rel="Chapter" href="Netplex_mutex.html">
<link title="Netplex_encap" rel="Chapter" href="Netplex_encap.html">
<link title="Netplex_mbox" rel="Chapter" href="Netplex_mbox.html">
<link title="Netplex_internal" rel="Chapter" href="Netplex_internal.html">
<link title="Netplex_intro" rel="Chapter" href="Netplex_intro.html">
<link title="Netplex_advanced" rel="Chapter" href="Netplex_advanced.html">
<link title="Netplex_admin" rel="Chapter" href="Netplex_admin.html">
<link title="Netshm" rel="Chapter" href="Netshm.html">
<link title="Netshm_data" rel="Chapter" href="Netshm_data.html">
<link title="Netshm_hashtbl" rel="Chapter" href="Netshm_hashtbl.html">
<link title="Netshm_array" rel="Chapter" href="Netshm_array.html">
<link title="Netshm_intro" rel="Chapter" href="Netshm_intro.html">
<link title="Netstring_pcre" rel="Chapter" href="Netstring_pcre.html">
<link title="Netconversion" rel="Chapter" href="Netconversion.html">
<link title="Netchannels" rel="Chapter" href="Netchannels.html">
<link title="Netstream" rel="Chapter" href="Netstream.html">
<link title="Netmime_string" rel="Chapter" href="Netmime_string.html">
<link title="Netmime" rel="Chapter" href="Netmime.html">
<link title="Netsendmail" rel="Chapter" href="Netsendmail.html">
<link title="Neturl" rel="Chapter" href="Neturl.html">
<link title="Netaddress" rel="Chapter" href="Netaddress.html">
<link title="Netbuffer" rel="Chapter" href="Netbuffer.html">
<link title="Netmime_header" rel="Chapter" href="Netmime_header.html">
<link title="Netmime_channels" rel="Chapter" href="Netmime_channels.html">
<link title="Neturl_ldap" rel="Chapter" href="Neturl_ldap.html">
<link title="Netdate" rel="Chapter" href="Netdate.html">
<link title="Netencoding" rel="Chapter" href="Netencoding.html">
<link title="Netulex" rel="Chapter" href="Netulex.html">
<link title="Netaccel" rel="Chapter" href="Netaccel.html">
<link title="Netaccel_link" rel="Chapter" href="Netaccel_link.html">
<link title="Nethtml" rel="Chapter" href="Nethtml.html">
<link title="Netstring_str" rel="Chapter" href="Netstring_str.html">
<link title="Netmappings" rel="Chapter" href="Netmappings.html">
<link title="Netaux" rel="Chapter" href="Netaux.html">
<link title="Nethttp" rel="Chapter" href="Nethttp.html">
<link title="Netpagebuffer" rel="Chapter" href="Netpagebuffer.html">
<link title="Netfs" rel="Chapter" href="Netfs.html">
<link title="Netglob" rel="Chapter" href="Netglob.html">
<link title="Netauth" rel="Chapter" href="Netauth.html">
<link title="Netsockaddr" rel="Chapter" href="Netsockaddr.html">
<link title="Netnumber" rel="Chapter" href="Netnumber.html">
<link title="Netxdr_mstring" rel="Chapter" href="Netxdr_mstring.html">
<link title="Netxdr" rel="Chapter" href="Netxdr.html">
<link title="Netcompression" rel="Chapter" href="Netcompression.html">
<link title="Netunichar" rel="Chapter" href="Netunichar.html">
<link title="Netasn1" rel="Chapter" href="Netasn1.html">
<link title="Netasn1_encode" rel="Chapter" href="Netasn1_encode.html">
<link title="Netoid" rel="Chapter" href="Netoid.html">
<link title="Netstring_tstring" rel="Chapter" href="Netstring_tstring.html">
<link title="Netdn" rel="Chapter" href="Netdn.html">
<link title="Netx509" rel="Chapter" href="Netx509.html">
<link title="Netascii_armor" rel="Chapter" href="Netascii_armor.html">
<link title="Nettls_support" rel="Chapter" href="Nettls_support.html">
<link title="Netmech_scram" rel="Chapter" href="Netmech_scram.html">
<link title="Netmech_scram_gssapi" rel="Chapter" href="Netmech_scram_gssapi.html">
<link title="Netmech_scram_sasl" rel="Chapter" href="Netmech_scram_sasl.html">
<link title="Netmech_scram_http" rel="Chapter" href="Netmech_scram_http.html">
<link title="Netgssapi_support" rel="Chapter" href="Netgssapi_support.html">
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<link title="Get" rel="Chapter" href="Get.html"><title>Ocamlnet 4 Reference Manual : Nethttp.Header</title>
</head>
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<h1>Module <a href="type_Nethttp.Header.html">Nethttp.Header</a></h1>

<pre><span id="MODULEHeader"><span class="keyword">module</span> Header</span>: <code class="code">sig</code> <a href="Nethttp.Header.html">..</a> <code class="code">end</code></pre><hr width="100%">
<p>This module is a parser/printer for the header fields used in HTTP/1.1.
 The <code class="code">get_*</code> functions generally raise <code class="code">Not_found</code> when the queried header
 is not present. If the syntax of the field is a comma-separated list of
 multiple values, the <code class="code">get_*</code> functions generally merge all headers of
 the same type. The order is preserved in this case. The list <code class="code">[]</code> means
 that the header exists, but only with empty value. For example,</p>

<pre class="codepre"><code class="code"> Accept: text/html
 Accept: text/plain
 </code></pre>
<p>would be returned as <code class="code">["text/html",[],[]; "text/plain", [],[]]</code>
 by <code class="code">get_accept</code>.  The header</p>

<pre class="codepre"><code class="code">Accept:</code></pre>
<p>would be returned as <code class="code">[]</code>.</p>

<p>The <code class="code">set_*</code> functions generally produce only a single header with comma-
 separated values. Existing header are overwritten/removed.</p>

<p>To remove a header, simply use the <code class="code">delete_field</code> method of <code class="code">http_header</code>.</p>

<p>Error behaviour: The <code class="code">get_*</code> functions raise <code class="code">Bad_header_field</code>
 when they cannot parse a header field. The <code class="code">set_*</code> functions
 raise <code class="code">Invalid_argument</code> when an invalid value is passed to them
 (only very few functions do that).  The argument of both
 exceptions is the function name.</p>

<pre><span id="TYPEparam_value"><span class="keyword">type</span> <code class="type"></code>param_value</span> = <code class="type">[ `Q of string | `V of string ]</code> </pre>
<div class="info ">
<div class="info-desc">
<p>Some parameters may occur quoted and unquoted. In partivular for
        authentication it is important to get this aspect right, so we
        represent values in two ways:</p>
<ul>
<li><code class="code">`V s</code> is the already decoded value. Originally it could be in
          quotes or not, but the parser removed the quotes already.</li>
<li><code class="code">`Q s</code> is a value where <code class="code">s</code> includes the quotes, i.e. it is the
          "raw" string.</li>
</ul>
<p>The parsers below always return values in the <code class="code">`V</code> form. For the
        printers, you can specify whether to automatically add quotes
        (using <code class="code">`V</code>) or to pass the raw values (using <code class="code">`Q</code>) that already
        contains the quotes if needed.</p>
</div>
</div>


<pre><span id="TYPEauth_challenge"><span class="keyword">type</span> <code class="type"></code>auth_challenge</span> = <code class="type">string * (string * <a href="Nethttp.Header.html#TYPEparam_value">param_value</a>) list</code> </pre>
<div class="info ">
<div class="info-desc">
<p>The type of a single challenge, used during authentication.
        It is interpreted as <code class="code">(mechanism_name, params)</code>. The headers
        <code class="code">www-authenticate</code> and <code class="code">proxy-authenticate</code> use this.</p>

<p>See RFC 7235 for general information.</p>
</div>
</div>


<pre><span id="TYPEauth_credentials"><span class="keyword">type</span> <code class="type"></code>auth_credentials</span> = <code class="type">string * (string * <a href="Nethttp.Header.html#TYPEparam_value">param_value</a>) list</code> </pre>
<div class="info ">
<div class="info-desc">
<p>The type of a single credentials response, used during
        authentication. It is interpreted as <code class="code">(mechanism_name, params)</code>.
        The headers <code class="code">authorize</code> and <code class="code">proxy-authorize</code> use this.</p>

<p>See RFC 7235 for general information.</p>
</div>
</div>


<pre><span id="VALparse_quoted_parameters"><span class="keyword">val</span> parse_quoted_parameters</span> : <code class="type">string -> (string * string) list</code></pre><div class="info ">
<div class="info-desc">
<p>A generic parser for comma-separated parameters in the form
         key=value or key="value". Fails if the string cannot be parsed.</p>
</div>
</div>

<pre><span id="VALprint_param_value"><span class="keyword">val</span> print_param_value</span> : <code class="type"><a href="Nethttp.Header.html#TYPEparam_value">param_value</a> -> string</code></pre><div class="info ">
<div class="info-desc">
<p>returns `Q unchanged, and puts a `V into double quotes if necessary</p>
</div>
</div>

<pre><span id="VALvalue_of_param"><span class="keyword">val</span> value_of_param</span> : <code class="type"><a href="Nethttp.Header.html#TYPEparam_value">param_value</a> -> string</code></pre><div class="info ">
<div class="info-desc">
<p>return the real value wrapped by `Q or `V</p>
</div>
</div>

<pre><span id="VALget_accept"><span class="keyword">val</span> get_accept</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -><br>       (string * (string * string) list * (string * string) list) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Accept</code> header as list of triples <code class="code">(media_range,
 media_range_params, accept_params)</code>.  If there are
 <code class="code">accept_params</code>, the first such parameter is always <code class="code">"q"</code>.</p>

<p>All present <code class="code">Accept</code> headers are merged. The function returns
 <code class="code">[]</code> when there is at least one <code class="code">Accept</code> header, but none of
 the headers has a non-empty value. The function raises
 <code class="code">Not_found</code> if there no such headers at all (which should be
 interpreted as <code class="code"> ["*/*",[],[] ] </code>).</p>
</div>
</div>

<pre><span id="VALbest_media_type"><span class="keyword">val</span> best_media_type</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string list -> string * (string * string) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the best media type for a header and a list of supported types.
 If any type is acceptable, "*/*" will be returned. If no type is
 acceptable, "" will be returned.
 The supported media types should be sorted such that the best type
 is mentioned first.
 Of several media types with equal quality the one mentioned first in the
 list of supported types is chosen. In case several types in the Accept:
 header match the same type in the list of supported types, the most
 specific type is chosen.</p>
</div>
</div>

<pre><span id="VALset_accept"><span class="keyword">val</span> set_accept</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -><br>       (string * (string * string) list * (string * string) list) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Accept</code> header</p>
</div>
</div>

<pre><span id="VALget_accept_charset"><span class="keyword">val</span> get_accept_charset</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> (string * (string * string) list) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Accept-charset</code> header as list of pairs <code class="code">(charset,params)</code>.
 The only mentioned parameter in RFC 2616 is <code class="code">"q"</code>.</p>

<p>All present <code class="code">Accept-charset</code> headers are merged. The function
 raises <code class="code">Not_found</code> when there is no <code class="code">Accept-charset</code> header
 (which should be interpreted as <code class="code"> ["*",[]] </code>).</p>
</div>
</div>

<pre><span id="VALbest_charset"><span class="keyword">val</span> best_charset</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string list -> string</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the best charset for a header and a list of supported charsets.
 If any charset is acceptable, "*" will be returned.
 The supported charsets should be sorted such that the best charset
 is mentioned first.</p>

<p>This function already implements the special handling of ISO-8859-1
 mentioned in RFC 2616.</p>
</div>
</div>

<pre><span id="VALset_accept_charset"><span class="keyword">val</span> set_accept_charset</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> (string * (string * string) list) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Accept-charset</code> header</p>
</div>
</div>

<pre><span id="VALget_accept_encoding"><span class="keyword">val</span> get_accept_encoding</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> (string * (string * string) list) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Accept-encoding</code> header as list of pairs <code class="code">(coding,params)</code>.
 The only mentioned parameter in RFC 2616 is <code class="code">"q"</code>. The RFC describes
 compatibility problems with the "q" parameter.</p>

<p>All present <code class="code">Accept-encoding</code> headers are merged. The function
 raises <code class="code">Not_found</code> when there is no <code class="code">Accept-encoding</code> header
 (which should be interpreted as <code class="code"> ["identity",[]] </code>).  The
 return value <code class="code">[]</code> must be interpreted as <code class="code"> ["identity",[]] </code>.</p>
</div>
</div>

<pre><span id="VALbest_encoding"><span class="keyword">val</span> best_encoding</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string list -> string</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the best encoding for a header and a list of supported
 encodings.  If anything else fails, "identity" will be
 returned.  The supported encodings should be sorted such that
 the best encoding is mentioned first.</p>
</div>
</div>

<pre><span id="VALset_accept_encoding"><span class="keyword">val</span> set_accept_encoding</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> (string * (string * string) list) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Accept-encoding</code> header</p>
</div>
</div>

<pre><span id="VALget_accept_language"><span class="keyword">val</span> get_accept_language</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> (string * (string * string) list) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Accept-language</code> header as list of pairs
 <code class="code">(lang_range,params)</code>.  The only mentioned parameter in RFC
 2616 is <code class="code">"q"</code>.</p>

<p>All present <code class="code">Accept-language</code> headers are merged. The function
 raises <code class="code">Not_found</code> when there is no <code class="code">Accept-language</code> header
 (which should be interpreted as <code class="code"> ["*",[]] </code>).</p>
</div>
</div>

<pre><span id="VALset_accept_language"><span class="keyword">val</span> set_accept_language</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> (string * (string * string) list) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Accept-language</code> header</p>
</div>
</div>

<pre><span id="VALget_accept_ranges"><span class="keyword">val</span> get_accept_ranges</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Accept-ranges</code> header as list of tokens.</p>

<p>All present <code class="code">Accept-ranges</code> headers are merged. The function
 raises <code class="code">Not_found</code> when there is no <code class="code">Accept-ranges</code>
 header. The RFC leaves it open how this is to be interpreted
 in general.</p>
</div>
</div>

<pre><span id="VALset_accept_ranges"><span class="keyword">val</span> set_accept_ranges</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Accept-ranges</code> header</p>
</div>
</div>

<pre><span id="VALget_age"><span class="keyword">val</span> get_age</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> float</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Age</code> header as number</p>
</div>
</div>

<pre><span id="VALset_age"><span class="keyword">val</span> set_age</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> float -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Age</code> header</p>
</div>
</div>

<pre><span id="VALget_allow"><span class="keyword">val</span> get_allow</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Allow</code> header as list of tokens.</p>

<p>All present <code class="code">Allow</code> headers are merged. The function raises <code class="code">Not_found</code>
 when there is no <code class="code">Allow</code> header. The RFC leaves it open how this is
 to be interpreted in general.</p>
</div>
</div>

<pre><span id="VALset_allow"><span class="keyword">val</span> set_allow</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Allow</code> header</p>
</div>
</div>

<pre><span id="VALget_authentication_info"><span class="keyword">val</span> get_authentication_info</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> (string * <a href="Nethttp.Header.html#TYPEparam_value">param_value</a>) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Authentication-Info</code> header as list <code class="code">auth_params</code>,
 or raises <code class="code">Not_found</code> if not present.</p>
</div>
</div>

<pre><span id="VALset_authentication_info"><span class="keyword">val</span> set_authentication_info</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> (string * <a href="Nethttp.Header.html#TYPEparam_value">param_value</a>) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Authentication-Info</code> header.</p>
</div>
</div>

<pre><span id="VALget_authorization"><span class="keyword">val</span> get_authorization</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> <a href="Nethttp.Header.html#TYPEauth_credentials">auth_credentials</a></code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Authorization</code> header as pair <code class="code">(auth_scheme,auth_params)</code>,
 or raises <code class="code">Not_found</code> if not present.</p>

<p>The "Basic" authentication scheme is represented specially as
 <code class="code">("basic", [ "credentials", creds ])</code> where <code class="code">creds</code> are the
 Base64-encoded credentials.</p>

<p>At present, parameters are always decoded (<code class="code">`V</code>).</p>
</div>
</div>

<pre><span id="VALset_authorization"><span class="keyword">val</span> set_authorization</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> <a href="Nethttp.Header.html#TYPEauth_credentials">auth_credentials</a> -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Authorization</code> header.
 The "Basic" authentication scheme is represented as explained for
 <code class="code">get_authorization</code>.</p>
</div>
</div>

<pre><span id="VALget_cache_control"><span class="keyword">val</span> get_cache_control</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> <a href="Nethttp.html#TYPEcache_control_token">Nethttp.cache_control_token</a> list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Cache-control</code> header as list of tokens.</p>

<p>All present <code class="code">Cache-control</code> headers are merged. The function
 raises <code class="code">Not_found</code> when there is no <code class="code">Cache-control</code> header.</p>
</div>
</div>

<pre><span id="VALset_cache_control"><span class="keyword">val</span> set_cache_control</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> <a href="Nethttp.html#TYPEcache_control_token">Nethttp.cache_control_token</a> list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Cache-control</code> header</p>
</div>
</div>

<pre><span id="VALget_connection"><span class="keyword">val</span> get_connection</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Connection</code> header as list of tokens.</p>

<p>All present <code class="code">Connection</code> headers are merged. The function
 raises <code class="code">Not_found</code> when there is no <code class="code">Connection</code> header.</p>

<p>The Connection header must be ignored when received from a
 HTTP/1.0 client.</p>
</div>
</div>

<pre><span id="VALset_connection"><span class="keyword">val</span> set_connection</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Connection</code> header</p>
</div>
</div>

<pre><span id="VALget_content_encoding"><span class="keyword">val</span> get_content_encoding</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Content-encoding</code> header as list of tokens.</p>

<p>All present <code class="code">Content-encoding</code> headers are merged.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when there is no <code class="code">Content-encoding</code> header.</li>
</ul>
</div>

<pre><span id="VALset_content_encoding"><span class="keyword">val</span> set_content_encoding</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Content-encoding</code> header</p>
</div>
</div>

<pre><span id="VALget_content_language"><span class="keyword">val</span> get_content_language</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Content-language</code> header as list of tokens.</p>

<p>All present <code class="code">Content-language</code> headers are merged.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when there is no <code class="code">Content-language</code> header.</li>
</ul>
</div>

<pre><span id="VALset_content_language"><span class="keyword">val</span> set_content_language</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Content-language</code> header</p>
</div>
</div>

<pre><span id="VALget_content_length"><span class="keyword">val</span> get_content_length</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> int64</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Content-length</code> header as number. If the number
 is too big for int64, the exception <code class="code">Bad_header_field
 "Content-length"</code> will be raised.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_content_length"><span class="keyword">val</span> set_content_length</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> int64 -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Content-length</code> header</p>
</div>
</div>

<pre><span id="VALget_content_location"><span class="keyword">val</span> get_content_location</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Content-location</code> header as string.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_content_location"><span class="keyword">val</span> set_content_location</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Content-location</code> header</p>
</div>
</div>

<pre><span id="VALget_content_md5"><span class="keyword">val</span> get_content_md5</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Content-MD5</code> header as string. The Base64 encoding
 has not been touched.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_content_md5"><span class="keyword">val</span> set_content_md5</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Content-MD5</code> header</p>
</div>
</div>

<pre><span id="VALget_content_range"><span class="keyword">val</span> get_content_range</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -><br>       [ `Bytes of (int64 * int64) option * int64 option ]</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Content-range</code> header as
 <code class="code">`Bytes(byte_range_resp_spec, instance_length)</code>.  The option value
 <code class="code">None</code> corresponds to "*" in the RFC.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_content_range"><span class="keyword">val</span> set_content_range</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -><br>       [ `Bytes of (int64 * int64) option * int64 option ] -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Content-range</code> header</p>
</div>
</div>

<pre><span id="VALget_content_type"><span class="keyword">val</span> get_content_type</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string * (string * string) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Content-type</code> header as pair <code class="code">(media_type, params)</code>.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_content_type"><span class="keyword">val</span> set_content_type</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string * (string * string) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Content-type</code> header</p>
</div>
</div>

<pre><span id="VALget_date"><span class="keyword">val</span> get_date</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> float</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Date</code> header as number (seconds since the Epoch).</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_date"><span class="keyword">val</span> set_date</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> float -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Date</code> header</p>
</div>
</div>

<pre><span id="VALget_etag"><span class="keyword">val</span> get_etag</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> <a href="Nethttp.html#TYPEetag">Nethttp.etag</a></code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Etag</code> header.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_etag"><span class="keyword">val</span> set_etag</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> <a href="Nethttp.html#TYPEetag">Nethttp.etag</a> -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Etag</code> header</p>
</div>
</div>

<pre><span id="VALget_expect"><span class="keyword">val</span> get_expect</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -><br>       (string * string option * (string * string) list) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Expect</code> header as list of triples <code class="code">(token,value,params)</code>.</p>

<p>All present <code class="code">Expect</code> headers are merged.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when there is no <code class="code">Expect</code> header.</li>
</ul>
</div>

<pre><span id="VALset_expect"><span class="keyword">val</span> set_expect</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -><br>       (string * string option * (string * string) list) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Expect</code> header</p>
</div>
</div>

<pre><span id="VALget_expires"><span class="keyword">val</span> get_expires</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> float</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Expires</code> header as number (seconds since the Epoch).</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_expires"><span class="keyword">val</span> set_expires</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> float -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Expires</code> header</p>
</div>
</div>

<pre><span id="VALget_from"><span class="keyword">val</span> get_from</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">From</code> header as string.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_from"><span class="keyword">val</span> set_from</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">From</code> header</p>
</div>
</div>

<pre><span id="VALget_host"><span class="keyword">val</span> get_host</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string * int option</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Host</code> header as pair <code class="code">(host,port)</code>.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_host"><span class="keyword">val</span> set_host</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string * int option -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Host</code> header</p>
</div>
</div>

<pre><span id="VALget_if_match"><span class="keyword">val</span> get_if_match</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> <a href="Nethttp.html#TYPEetag">Nethttp.etag</a> list option</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">If-match</code> header. The value <code class="code">None</code> means "*".</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_if_match"><span class="keyword">val</span> set_if_match</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> <a href="Nethttp.html#TYPEetag">Nethttp.etag</a> list option -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">If-match</code> header</p>
</div>
</div>

<pre><span id="VALget_if_modified_since"><span class="keyword">val</span> get_if_modified_since</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> float</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">If-modified-since</code> header as number (seconds
 since the Epoch).</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_if_modified_since"><span class="keyword">val</span> set_if_modified_since</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> float -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">If-modified-since</code> header</p>
</div>
</div>

<pre><span id="VALget_if_none_match"><span class="keyword">val</span> get_if_none_match</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> <a href="Nethttp.html#TYPEetag">Nethttp.etag</a> list option</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">If-none-match</code> header. The value <code class="code">None</code> means "*".</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_if_none_match"><span class="keyword">val</span> set_if_none_match</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> <a href="Nethttp.html#TYPEetag">Nethttp.etag</a> list option -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">If-none-match</code> header</p>
</div>
</div>

<pre><span id="VALget_if_range"><span class="keyword">val</span> get_if_range</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> [ `Date of float | `Etag of <a href="Nethttp.html#TYPEetag">Nethttp.etag</a> ]</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">If-range</code> header.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_if_range"><span class="keyword">val</span> set_if_range</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> [ `Date of float | `Etag of <a href="Nethttp.html#TYPEetag">Nethttp.etag</a> ] -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">If-range</code> header</p>
</div>
</div>

<pre><span id="VALget_if_unmodified_since"><span class="keyword">val</span> get_if_unmodified_since</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> float</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">If-unmodified-since</code> header as number (seconds
 since the Epoch).</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_if_unmodified_since"><span class="keyword">val</span> set_if_unmodified_since</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> float -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">If-unmodified-since</code> header</p>
</div>
</div>

<pre><span id="VALget_last_modified"><span class="keyword">val</span> get_last_modified</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> float</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Last-modified</code> header as number (seconds since the Epoch).</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_last_modified"><span class="keyword">val</span> set_last_modified</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> float -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Last-modified</code> header</p>
</div>
</div>

<pre><span id="VALget_location"><span class="keyword">val</span> get_location</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Location</code> header as string.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_location"><span class="keyword">val</span> set_location</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Location</code> header</p>
</div>
</div>

<pre><span id="VALget_max_forwards"><span class="keyword">val</span> get_max_forwards</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> int</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Max-forwards</code> header as number.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_max_forwards"><span class="keyword">val</span> set_max_forwards</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> int -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Max-forwards</code> header</p>
</div>
</div>

<pre><span id="VALget_pragma"><span class="keyword">val</span> get_pragma</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> (string * string option) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Pragma</code> header as list of pairs <code class="code">(token,value)</code>.</p>

<p>All present <code class="code">Pragma</code> headers are merged.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when there is no <code class="code">Pragma</code> header.</li>
</ul>
</div>

<pre><span id="VALset_pragma"><span class="keyword">val</span> set_pragma</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> (string * string option) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Pragma</code> header</p>
</div>
</div>

<pre><span id="VALget_proxy_authenticate"><span class="keyword">val</span> get_proxy_authenticate</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> <a href="Nethttp.Header.html#TYPEauth_challenge">auth_challenge</a> list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Proxy-authenticate</code> header as list of challenges
 <code class="code">(auth_scheme,auth_params)</code>. See also <code class="code">get_www_authenticate</code>.</p>

<p>All present <code class="code">Proxy-authenticate</code> headers are merged.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when there is no <code class="code">Proxy-authenticate</code> header.

 At present, parameters are always decoded (<code class="code">`V</code>).</li>
</ul>
</div>

<pre><span id="VALset_proxy_authenticate"><span class="keyword">val</span> set_proxy_authenticate</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> <a href="Nethttp.Header.html#TYPEauth_challenge">auth_challenge</a> list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Proxy-authenticate</code> header</p>
</div>
</div>

<pre><span id="VALget_proxy_authentication_info"><span class="keyword">val</span> get_proxy_authentication_info</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> (string * <a href="Nethttp.Header.html#TYPEparam_value">param_value</a>) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Proxy-Authentication-Info</code> header as list
 <code class="code">auth_params</code>,  or raises <code class="code">Not_found</code> if not present.</p>
</div>
</div>

<pre><span id="VALset_proxy_authentication_info"><span class="keyword">val</span> set_proxy_authentication_info</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> (string * <a href="Nethttp.Header.html#TYPEparam_value">param_value</a>) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Proxy-Authentication-Info</code> header.</p>
</div>
</div>

<pre><span id="VALget_proxy_authorization"><span class="keyword">val</span> get_proxy_authorization</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> <a href="Nethttp.Header.html#TYPEauth_credentials">auth_credentials</a></code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Proxy-authorization</code> header as pair
 <code class="code">(auth_scheme,auth_params)</code>.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is
 missing.

 The "Basic" authentication scheme is represented specially as
 <code class="code">("basic", [ "credentials", creds ])</code> where <code class="code">creds</code> are the
 Base64-encoded credentials.

 At present, parameters are always decoded (<code class="code">`V</code>).</li>
</ul>
</div>

<pre><span id="VALset_proxy_authorization"><span class="keyword">val</span> set_proxy_authorization</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> <a href="Nethttp.Header.html#TYPEauth_credentials">auth_credentials</a> -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Proxy-authorization</code> header
 The "Basic" authentication scheme is represented as explained for
 <code class="code">get_proxy_authorization</code>.</p>
</div>
</div>

<pre><span id="VALget_range"><span class="keyword">val</span> get_range</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> [ `Bytes of (int64 option * int64 option) list ]</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Range</code> header as <code class="code">`Bytes ranges</code>, where the list <code class="code">ranges</code>
 has elements of the form <code class="code">(Some first_pos, Some last_pos)</code>,
 <code class="code">(Some first_pos, None)</code> (prefix range), or <code class="code">(None, Some
 last_pos)</code> (suffix range).</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_range"><span class="keyword">val</span> set_range</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -><br>       [ `Bytes of (int64 option * int64 option) list ] -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Range</code> header</p>
</div>
</div>

<pre><span id="VALget_referer"><span class="keyword">val</span> get_referer</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Referer</code> header as string.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALget_referrer"><span class="keyword">val</span> get_referrer</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string</code></pre><div class="info ">
<div class="info-desc">
<p>Same, for addicts of correct orthography</p>
</div>
</div>

<pre><span id="VALset_referer"><span class="keyword">val</span> set_referer</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Referer</code> header</p>
</div>
</div>

<pre><span id="VALset_referrer"><span class="keyword">val</span> set_referrer</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Same, for addicts of correct orthography</p>
</div>
</div>

<pre><span id="VALget_retry_after"><span class="keyword">val</span> get_retry_after</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> [ `Date of float | `Seconds of int ]</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Retry-after</code> header.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_retry_after"><span class="keyword">val</span> set_retry_after</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> [ `Date of float | `Seconds of int ] -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Retry-after</code> header</p>
</div>
</div>

<pre><span id="VALget_server"><span class="keyword">val</span> get_server</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Server</code> header as uninterpreted string (including
 comments).</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> when the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_server"><span class="keyword">val</span> set_server</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Server</code> header</p>
</div>
</div>

<pre><span id="VALget_te"><span class="keyword">val</span> get_te</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -><br>       (string * (string * string) list * (string * string) list) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">TE</code> header as list of triples
 <code class="code">(te_token, te_params, accept_params)</code>.
 If there are <code class="code">accept_params</code>, the first such parameter is always <code class="code">"q"</code>.</p>

<p>All present <code class="code">TE</code> headers are merged. The function returns <code class="code">[]</code> when
 there is at least one <code class="code">TE</code> header, but none of the headers has a
 non-empty value.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> if there no such headers at all.</li>
</ul>
</div>

<pre><span id="VALset_te"><span class="keyword">val</span> set_te</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -><br>       (string * (string * string) list * (string * string) list) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">TE</code> header</p>
</div>
</div>

<pre><span id="VALget_trailer"><span class="keyword">val</span> get_trailer</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Trailer</code> header as list of field names.</p>

<p>All present <code class="code">Trailer</code> headers are merged. The function returns
 <code class="code">[]</code> when there is at least one <code class="code">Trailer</code> header, but none of
 the headers has a non-empty value.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> if there no such headers at all.</li>
</ul>
</div>

<pre><span id="VALset_trailer"><span class="keyword">val</span> set_trailer</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Trailer</code> header</p>
</div>
</div>

<pre><span id="VALget_transfer_encoding"><span class="keyword">val</span> get_transfer_encoding</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> (string * (string * string) list) list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Transfer-encoding</code> header as list of pairs
 <code class="code">(token, params)</code>.</p>

<p>All present <code class="code">Transfer-encoding</code> headers are merged. The
 function returns <code class="code">[]</code> when there is at least one
 <code class="code">Transfer-encoding</code> header, but none of the headers has a
 non-empty value.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> if there no such headers at all.</li>
</ul>
</div>

<pre><span id="VALset_transfer_encoding"><span class="keyword">val</span> set_transfer_encoding</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> (string * (string * string) list) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Transfer-encoding</code> header</p>
</div>
</div>

<pre><span id="VALget_upgrade"><span class="keyword">val</span> get_upgrade</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Upgrade</code> header as list of products.</p>

<p>All present <code class="code">Upgrade</code> headers are merged. The function returns
 <code class="code">[]</code> when there is at least one <code class="code">Upgrade</code> header, but none of
 the headers has a non-empty value.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> if there no such headers at all.</li>
</ul>
</div>

<pre><span id="VALset_upgrade"><span class="keyword">val</span> set_upgrade</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Upgrade</code> header</p>
</div>
</div>

<pre><span id="VALget_user_agent"><span class="keyword">val</span> get_user_agent</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> string</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">User-agent</code> header as uninterpreted string
 (including comments).</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> if the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_user_agent"><span class="keyword">val</span> set_user_agent</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> string -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">User-agent</code> header</p>
</div>
</div>

<pre><span id="VALget_vary"><span class="keyword">val</span> get_vary</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> [ `Fields of string list | `Star ]</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">Vary</code> header.</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> if the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_vary"><span class="keyword">val</span> set_vary</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> [ `Fields of string list | `Star ] -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">Vary</code> header</p>
</div>
</div>

<pre><span id="VALget_www_authenticate"><span class="keyword">val</span> get_www_authenticate</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> <a href="Nethttp.Header.html#TYPEauth_challenge">auth_challenge</a> list</code></pre><div class="info ">
<div class="info-desc">
<p>Returns the <code class="code">WWW-Authenticate</code> header as list of challenges
 <code class="code">(auth_scheme,auth_params)</code>.</p>

<p>All present <code class="code">WWW-Authenticate</code> headers are merged.</p>

<p>The scheme "negotiate" uses a deviating header format.
 This data is returned as e.g. <code class="code">("negotiate", ["credentials", data])</code>.</p>

<p>At present, parameters are always decoded (<code class="code">`V</code>).</p>
</div>
<ul class="info-attributes">
<li><b>Raises</b> <code>Not_found</code> if the header is missing.</li>
</ul>
</div>

<pre><span id="VALset_www_authenticate"><span class="keyword">val</span> set_www_authenticate</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> <a href="Nethttp.Header.html#TYPEauth_challenge">auth_challenge</a> list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Sets the <code class="code">WWW-Authenticate</code> header</p>
</div>
</div>

<pre><span id="VALget_cookie"><span class="keyword">val</span> get_cookie</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> (string * string) list</code></pre><div class="info ">
<div class="info-desc">
<p>Get the (Netscape) cookies as (name,value) pairs (or Not_found).</p>
</div>
</div>

<pre><span id="VALget_cookie_ct"><span class="keyword">val</span> get_cookie_ct</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> <a href="Nethttp.Cookie.html#TYPEt">Nethttp.Cookie.t</a> list</code></pre><div class="info ">
<div class="info-desc">
<p>Get the cookies in the <a href="Nethttp.Cookie.html#TYPEt"><code class="code">Nethttp.Cookie.t</code></a> representation
        (the suffix "_ct" reminds of <code class="code">Cookie.t</code>).
        This function also supports version 1 cookies.
        Returns the empty list if there are no cookies.</p>
</div>
</div>

<pre><span id="VALset_cookie"><span class="keyword">val</span> set_cookie</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> (string * string) list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Set the <code class="code">Cookie</code> header. Note: This does not set cookies in the client,
 use <code class="code">set_set_cookie</code> instead!</p>
</div>
</div>

<pre><span id="VALget_set_cookie"><span class="keyword">val</span> get_set_cookie</span> : <code class="type">#<a href="Nethttp.http_header_ro-c.html">Nethttp.http_header_ro</a> -> <a href="Nethttp.html#TYPEnetscape_cookie">Nethttp.netscape_cookie</a> list</code></pre><div class="info ">
<div class="info-desc">
<p>Get the <code class="code">Set-Cookie</code> header</p>
</div>
</div>

<pre><span id="VALset_set_cookie"><span class="keyword">val</span> set_set_cookie</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> <a href="Nethttp.html#TYPEnetscape_cookie">Nethttp.netscape_cookie</a> list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Set the <code class="code">Set-Cookie</code> header</p>
</div>
</div>

<pre><span id="VALset_set_cookie_ct"><span class="keyword">val</span> set_set_cookie_ct</span> : <code class="type">#<a href="Nethttp.http_header-c.html">Nethttp.http_header</a> -> <a href="Nethttp.Cookie.html#TYPEt">Nethttp.Cookie.t</a> list -> unit</code></pre><div class="info ">
<div class="info-desc">
<p>Set the <code class="code">Set-Cookie</code> and <code class="code">Set-Cookie2</code> headers:</p>

<p><code class="code">set_set_cookie_ct header cookies</code> sets the <code class="code">cookies</code> in <code class="code">header</code>
	using version 0 or version 1 depending on whether version 1
	fields are used.  For better browser compatibility, if
	"Set-cookie2" (RFC 2965) is issued, then a "Set-cookie"
	precedes (declaring the same cookie with a limited number of
	options).</p>
</div>
</div>
</body></html>