eio-write.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<refentry xml:id="function.eio-write" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>eio_write</refname>
  <refpurpose>Write to file</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>resource</type><methodname>eio_write</methodname>
   <methodparam><type>mixed</type><parameter>fd</parameter></methodparam>
   <methodparam><type>string</type><parameter>str</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>length</parameter><initializer>0</initializer></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>offset</parameter><initializer>0</initializer></methodparam>
   <methodparam
   choice="opt"><type>int</type><parameter>pri</parameter><initializer>EIO_PRI_DEFAULT</initializer></methodparam>
   <methodparam
   choice="opt"><type>callable</type><parameter>callback</parameter><initializer>NULL</initializer></methodparam>
   <methodparam
   choice="opt"><type>mixed</type><parameter>data</parameter><initializer>NULL</initializer></methodparam>
  </methodsynopsis>
  <para>
  <function>eio_write</function> writes up to <parameter>length</parameter>
  bytes from <parameter>str</parameter> at <parameter>offset</parameter>
  offset from the beginning of the file.
  </para>

 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>fd</parameter></term>
    <listitem>
     <para>
     Stream, Socket resource, or numeric file descriptor, e.g. returned by <function>eio_open</function>
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>str</parameter></term>
    <listitem>
     <para>
     Source string
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>length</parameter></term>
    <listitem>
     <para>
     Maximum number of bytes to write.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>offset</parameter></term>
    <listitem>
     <para>
     Offset from the beginning of file.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>pri</parameter></term>
    <listitem>
    &eio.request.pri.values;
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>callback</parameter></term>
    <listitem>
     &eio.callback.proto;
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>data</parameter></term>
    <listitem>
     <para>
     Arbitrary variable passed to <parameter>callback</parameter>.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   <function>eio_write</function> returns request resource on success,&return.falseforfailure;.
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><function>eio_open</function></member>
  </simplelist>
 </refsect1>

</refentry>

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