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php-manual-pt_BR-5.2.4-1mdv2008.1.noarch.rpm

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><DIV
CLASS="TITLEPAGE"
><H1
CLASS="title"
>CLXXXV. YAZ Functions</H1
><DIV
CLASS="PARTINTRO"
><A
NAME="AEN240512"
></A
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="yaz.intro"
>Introdução</A
></H1
><P
>&#13;     This extension offers a PHP interface to the
     <SPAN
CLASS="productname"
>YAZ</SPAN
> toolkit that implements the 
     <A
HREF="http://www.loc.gov/z3950/agency/"
TARGET="_top"
>Z39.50
     Protocol for Information Retrieval</A
>.
     With this extension you can easily implement a Z39.50 origin (client)
     that searches or scans Z39.50 targets (servers) in parallel.
    </P
><P
>&#13;     The module hides most of the complexity of Z39.50 so it should be
     fairly easy to use. It supports persistent stateless connections very
     similar to those offered by the various RDB APIs that are available
     for PHP. This means that sessions are stateless but shared among
     users, thus saving the connect and initialize phase steps in most
     cases.
    </P
><P
>&#13;     <SPAN
CLASS="productname"
>YAZ</SPAN
> is available at <A
HREF="http://www.indexdata.dk/yaz/"
TARGET="_top"
>http://www.indexdata.dk/yaz/</A
>. You can find news information,
     example scripts, etc. for this extension at <A
HREF="http://www.indexdata.dk/phpyaz/"
TARGET="_top"
>http://www.indexdata.dk/phpyaz/</A
>.
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>
      Esta extensão foi movida para o repositório <A
HREF="http://pecl.php.net"
TARGET="_top"
>PECL</A
> e não é mais distribuida em conjunto com o
 PHP a partir do PHP 5.0.0.
     </P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="yaz.installation"
>Instalação</A
></H1
><P
>&#13;  Obtain YAZ (ANSI/NISO Z39.50 support) and install it. 
  YAZ can be fetched in source or in various prebuilt packages
  from the <A
HREF="http://ftp.indexdata.dk/pub/yaz/"
TARGET="_top"
>YAZ archive</A
>. 
  Systems such as Debian GNU/Linux, Suse Linux, FreeBSD also has YAZ
  as part of their distribution.
 </P
><P
>&#13;  For the PHP 4 series, the YAZ extension is bundled (but not YAZ itself)
  Build PHP with your favorite modules and add option 
  <CODE
CLASS="option"
>--with-yaz[=DIR]</CODE
>.
 </P
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN240532"
></A
><P
><B
>Exemplo 1. YAZ compilation for PHP 4 on Unix</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="shell"
>gunzip -c php-4.4.X.tar.gz|tar xf -
gunzip -c yaz-2.1.8.tar.gz|tar xf -
cd yaz-2.1.8
./configure --prefix=/usr
make
sudo make install
cd ../php-4.4.X.
./configure --with-yaz=/usr/bin
make
sudo make install</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
><P
>&#13;  For PHP 5, the YAZ extension is in <A
HREF="http://pecl.php.net"
TARGET="_top"
>PECL</A
>
  and is installed as a shared object/dll.
  If you have pear installed the easiest way to download, configure and
  install the YAZ extension is by using the <B
CLASS="command"
>pecl</B
> command.
 </P
><P
>&#13;  Installation of YAZ on Linux
 </P
><P
>&#13;  Informações para a instalação desta extensão PECL
 podem ser encontradas no manual no capitulo entitulado <A
HREF="install.pecl.html"
>Instalação
 de extensões PECL</A
>. Informações adicionais como novas versões,
 downloads, arquivos fontes, manutenções, e um Changelog, podem ser
 obtidos aqui: 
  <A
HREF="http://pecl.php.netyaz"
TARGET="_top"
>http://pecl.php.netyaz</A
>
 </P
><P
>&#13;  Installation on Windows systems
 </P
><P
>&#13;  Você pode baixar esta extensão <ACRONYM
CLASS="acronym"
>PECL</ACRONYM
>
 <ACRONYM
CLASS="acronym"
>DLL</ACRONYM
> a apartir de <A
HREF="http://www.php.net/downloads.php"
TARGET="_top"
>&#13; downloads PHP</A
> ou em <A
HREF="http://snaps.php.net/"
TARGET="_top"
>&#13; http://snaps.php.net/</A
>.
  <TT
CLASS="filename"
>php_yaz.dll</TT
> depends on 
  <TT
CLASS="filename"
>yaz.dll</TT
>. The <TT
CLASS="filename"
>yaz.dll</TT
>
  is part of the Win32 ZIP from the PHP site. It is also part 
  of the Windows YAZ install available from the
  <A
HREF="http://ftp.indexdata.dk/pub/yaz/win32/"
TARGET="_top"
>YAZ WIN32 area</A
>.
 </P
><DIV
CLASS="warning"
><P
></P
><TABLE
CLASS="warning"
BORDER="1"
WIDTH="100%"
><TR
><TD
ALIGN="CENTER"
><B
>Atenção</B
></TD
></TR
><TR
><TD
ALIGN="LEFT"
><P
>&#13;   The PHP 5.0.5 Win32 zip includes a too old version of
   <TT
CLASS="filename"
>yaz.dll</TT
> (version 1.9.1 &#60; required version 2.0.13).
   If that's the case use the <TT
CLASS="filename"
>yaz.dll</TT
> from a newer
   <A
HREF="http://ftp.indexdata.dk/pub/yaz/win32/"
TARGET="_top"
>YAZ WIN32 install</A
>.
  </P
></TD
></TR
></TABLE
></DIV
><P
>&#13;  On windows, don't forget to add the PHP directory to the PATH, so that the
  <TT
CLASS="filename"
>yaz.dll</TT
> file can be found by the system.
 </P
><P
>&#13;  If you are using YAZ as a shared extension, add (or uncomment) the following
  line in <TT
CLASS="filename"
>php.ini</TT
> on Unix:
  <TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="screen"
>extension=yaz.so</PRE
></TD
></TR
></TABLE
>
  And for Windows:
  <TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="screen"
>extension=php_yaz.dll</PRE
></TD
></TR
></TABLE
>
 </P
><DIV
CLASS="warning"
><P
></P
><TABLE
CLASS="warning"
BORDER="1"
WIDTH="100%"
><TR
><TD
ALIGN="CENTER"
><B
>Atenção</B
></TD
></TR
><TR
><TD
ALIGN="LEFT"
><P
>A extensão <A
HREF="ref.imap.html"
>IMAP</A
> não pode ser utilizada em conjunto com as extensões
 <A
HREF="ref.recode.html"
>recode</A
>, <A
HREF="ref.yaz.html"
>YAZ</A
> ou <A
HREF="ref.cyrus.html"
>Cyrus</A
>. Isto ocorre pelo fato de elas
 compartilham os mesmos símbolos internos.</P
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>
   The above problem is solved in version 2.0 of YAZ.
  </P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="yaz.configuration"
>Configurações em execução</A
></H1
><P
>&#13;O comportamento dessas funções podem ser modificado pelas configurações do <TT
CLASS="filename"
>php.ini</TT
>.
</P
><P
>&#13; <DIV
CLASS="table"
><A
NAME="AEN240576"
></A
><P
><B
>Tabela 1. YAZ configuration options</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><COL><COL><THEAD
><TR
><TH
>Name</TH
><TH
>Default</TH
><TH
>Changeable</TH
><TH
>Changelog</TH
></TR
></THEAD
><TBODY
><TR
><TD
>yaz.max_links</TD
><TD
>"100"</TD
><TD
>PHP_INI_ALL</TD
><TD
>Available since PHP 4.3.0.</TD
></TR
><TR
><TD
>yaz.log_file</TD
><TD
>NULL</TD
><TD
>PHP_INI_ALL</TD
><TD
>Available since PHP 4.3.0.</TD
></TR
></TBODY
></TABLE
></DIV
>
 Para mais detalhes e definições das constantes
 PHP_INI_*, veja <A
HREF="ini.html"
>Apêndice H</A
>.
 </P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="yaz.resources"
>Tipos Resource</A
></H1
><P
>Esta extensão não possui nenhum tipo resource.</P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="yaz.constants"
>Constantes pré-definidas</A
></H1
><P
>Esta extensão não possui nenhuma constante.</P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="yaz.examples"
>Exemplos</A
></H1
><P
>&#13;     PHP/YAZ keeps track of connections with targets
     (Z-Associations). A resource represents a connection to a
     target.
    </P
><P
>&#13;     The script below demonstrates the parallel searching feature of
     the API. When invoked with no arguments it prints a query form; else
     (arguments are supplied) it searches the targets as given in array
     <TT
CLASS="literal"
>host</TT
>.
    </P
><P
>&#13;     <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN240609"
></A
><P
><B
>Exemplo 2. Parallel searching using Yaz</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$host</font><font color="#007700">=</font><font color="#0000BB">$_REQUEST</font><font color="#007700">[</font><font color="#0000BB">host</font><font color="#007700">];<br /></font><font color="#0000BB">$query</font><font color="#007700">=</font><font color="#0000BB">$_REQUEST</font><font color="#007700">[</font><font color="#0000BB">query</font><font color="#007700">];<br /></font><font color="#0000BB">$num_hosts </font><font color="#007700">= </font><font color="#0000BB">count</font><font color="#007700">(</font><font color="#0000BB">$host</font><font color="#007700">);<br />if (empty(</font><font color="#0000BB">$query</font><font color="#007700">) || </font><font color="#0000BB">count</font><font color="#007700">(</font><font color="#0000BB">$host</font><font color="#007700">) == </font><font color="#0000BB">0</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">'&lt;form method="get"&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&lt;input type="checkbox"<br />&nbsp;&nbsp;&nbsp;&nbsp;name="host[]" value="bagel.indexdata.dk/gils" /&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;GILS test<br />&nbsp;&nbsp;&nbsp;&nbsp;&lt;input type="checkbox"<br />&nbsp;&nbsp;&nbsp;&nbsp;name="host[]" value="localhost:9999/Default" /&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;local test<br />&nbsp;&nbsp;&nbsp;&nbsp;&lt;input type="checkbox" checked="checked"<br />&nbsp;&nbsp;&nbsp;&nbsp;name="host[]" value="z3950.loc.gov:7090/voyager" /&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Library of Congress<br />&nbsp;&nbsp;&nbsp;&nbsp;&lt;br /&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;RPN Query:<br />&nbsp;&nbsp;&nbsp;&nbsp;&lt;input type="text" size="30" name="query" /&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&lt;input type="submit" name="action" value="Search" /&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&lt;/form&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;'</font><font color="#007700">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />} else {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">'You searched for ' </font><font color="#007700">. </font><font color="#0000BB">htmlspecialchars</font><font color="#007700">(</font><font color="#0000BB">$query</font><font color="#007700">) . </font><font color="#DD0000">'&lt;br /&gt;'</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;for (</font><font color="#0000BB">$i </font><font color="#007700">= </font><font color="#0000BB">0</font><font color="#007700">; </font><font color="#0000BB">$i </font><font color="#007700">&lt; </font><font color="#0000BB">$num_hosts</font><font color="#007700">; </font><font color="#0000BB">$i</font><font color="#007700">++) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$id</font><font color="#007700">[] = </font><font color="#0000BB">yaz_connect</font><font color="#007700">(</font><font color="#0000BB">$host</font><font color="#007700">[</font><font color="#0000BB">$i</font><font color="#007700">]);<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">yaz_syntax</font><font color="#007700">(</font><font color="#0000BB">$id</font><font color="#007700">[</font><font color="#0000BB">$i</font><font color="#007700">], </font><font color="#DD0000">"usmarc"</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">yaz_range</font><font color="#007700">(</font><font color="#0000BB">$id</font><font color="#007700">[</font><font color="#0000BB">$i</font><font color="#007700">], </font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#0000BB">10</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">yaz_search</font><font color="#007700">(</font><font color="#0000BB">$id</font><font color="#007700">[</font><font color="#0000BB">$i</font><font color="#007700">], </font><font color="#DD0000">"rpn"</font><font color="#007700">, </font><font color="#0000BB">$query</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">yaz_wait</font><font color="#007700">();<br />&nbsp;&nbsp;&nbsp;&nbsp;for (</font><font color="#0000BB">$i </font><font color="#007700">= </font><font color="#0000BB">0</font><font color="#007700">; </font><font color="#0000BB">$i </font><font color="#007700">&lt; </font><font color="#0000BB">$num_hosts</font><font color="#007700">; </font><font color="#0000BB">$i</font><font color="#007700">++) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">'&lt;hr /&gt;' </font><font color="#007700">. </font><font color="#0000BB">$host</font><font color="#007700">[</font><font color="#0000BB">$i</font><font color="#007700">] . </font><font color="#DD0000">':'</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$error </font><font color="#007700">= </font><font color="#0000BB">yaz_error</font><font color="#007700">(</font><font color="#0000BB">$id</font><font color="#007700">[</font><font color="#0000BB">$i</font><font color="#007700">]);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if (!empty(</font><font color="#0000BB">$error</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"Error: $error"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} else {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$hits </font><font color="#007700">= </font><font color="#0000BB">yaz_hits</font><font color="#007700">(</font><font color="#0000BB">$id</font><font color="#007700">[</font><font color="#0000BB">$i</font><font color="#007700">]);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"Result Count $hits"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">'&lt;dl&gt;'</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for (</font><font color="#0000BB">$p </font><font color="#007700">= </font><font color="#0000BB">1</font><font color="#007700">; </font><font color="#0000BB">$p </font><font color="#007700">&lt;= </font><font color="#0000BB">10</font><font color="#007700">; </font><font color="#0000BB">$p</font><font color="#007700">++) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$rec </font><font color="#007700">= </font><font color="#0000BB">yaz_record</font><font color="#007700">(</font><font color="#0000BB">$id</font><font color="#007700">[</font><font color="#0000BB">$i</font><font color="#007700">], </font><font color="#0000BB">$p</font><font color="#007700">, </font><font color="#DD0000">"string"</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if (empty(</font><font color="#0000BB">$rec</font><font color="#007700">)) continue;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"&lt;dt&gt;&lt;b&gt;$p&lt;/b&gt;&lt;/dt&gt;&lt;dd&gt;"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#0000BB">nl2br</font><font color="#007700">(</font><font color="#0000BB">$rec</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"&lt;/dd&gt;"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">'&lt;/dl&gt;'</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
    </P
></DIV
></DIV
><DIV
CLASS="TOC"
><DL
><DT
><B
>Índice</B
></DT
><DT
><A
HREF="function.yaz-addinfo.html"
>yaz_addinfo</A
>&nbsp;--&nbsp;Returns additional error information</DT
><DT
><A
HREF="function.yaz-ccl-conf.html"
>yaz_ccl_conf</A
>&nbsp;--&nbsp;Configure CCL parser</DT
><DT
><A
HREF="function.yaz-ccl-parse.html"
>yaz_ccl_parse</A
>&nbsp;--&nbsp;Invoke CCL Parser</DT
><DT
><A
HREF="function.yaz-close.html"
>yaz_close</A
>&nbsp;--&nbsp;Close YAZ connection</DT
><DT
><A
HREF="function.yaz-connect.html"
>yaz_connect</A
>&nbsp;--&nbsp;
   Prepares for a connection to a Z39.50 server
  </DT
><DT
><A
HREF="function.yaz-database.html"
>yaz_database</A
>&nbsp;--&nbsp;
   Specifies the databases within a session
  </DT
><DT
><A
HREF="function.yaz-element.html"
>yaz_element</A
>&nbsp;--&nbsp;
   Specifies Element-Set Name for retrieval
  </DT
><DT
><A
HREF="function.yaz-errno.html"
>yaz_errno</A
>&nbsp;--&nbsp;Returns error number</DT
><DT
><A
HREF="function.yaz-error.html"
>yaz_error</A
>&nbsp;--&nbsp;Returns error description</DT
><DT
><A
HREF="function.yaz-es-result.html"
>yaz_es_result</A
>&nbsp;--&nbsp;
   Inspects Extended Services Result
  </DT
><DT
><A
HREF="function.yaz-es.html"
>yaz_es</A
>&nbsp;--&nbsp;
   Prepares for an Extended Service Request
  </DT
><DT
><A
HREF="function.yaz-get-option.html"
>yaz_get_option</A
>&nbsp;--&nbsp;Returns value of option for connection</DT
><DT
><A
HREF="function.yaz-hits.html"
>yaz_hits</A
>&nbsp;--&nbsp;Returns number of hits for last search</DT
><DT
><A
HREF="function.yaz-itemorder.html"
>yaz_itemorder</A
>&nbsp;--&nbsp;
   Prepares for Z39.50 Item Order with an ILL-Request package
  </DT
><DT
><A
HREF="function.yaz-present.html"
>yaz_present</A
>&nbsp;--&nbsp;
   Prepares for retrieval (Z39.50 present)
  </DT
><DT
><A
HREF="function.yaz-range.html"
>yaz_range</A
>&nbsp;--&nbsp;
   Specifies a range of records to retrieve
  </DT
><DT
><A
HREF="function.yaz-record.html"
>yaz_record</A
>&nbsp;--&nbsp;Returns a record</DT
><DT
><A
HREF="function.yaz-scan-result.html"
>yaz_scan_result</A
>&nbsp;--&nbsp;Returns Scan Response result</DT
><DT
><A
HREF="function.yaz-scan.html"
>yaz_scan</A
>&nbsp;--&nbsp;Prepares for a scan</DT
><DT
><A
HREF="function.yaz-schema.html"
>yaz_schema</A
>&nbsp;--&nbsp;
   Specifies schema for retrieval
  </DT
><DT
><A
HREF="function.yaz-search.html"
>yaz_search</A
>&nbsp;--&nbsp;Prepares for a search</DT
><DT
><A
HREF="function.yaz-set-option.html"
>yaz_set_option</A
>&nbsp;--&nbsp;Sets one or more options for connection</DT
><DT
><A
HREF="function.yaz-sort.html"
>yaz_sort</A
>&nbsp;--&nbsp;Sets sorting criteria</DT
><DT
><A
HREF="function.yaz-syntax.html"
>yaz_syntax</A
>&nbsp;--&nbsp;
   Specifies the preferred record syntax for retrieval
  </DT
><DT
><A
HREF="function.yaz-wait.html"
>yaz_wait</A
>&nbsp;--&nbsp;Wait for Z39.50 requests to complete</DT
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