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parrot-doc-1.6.0-1mdv2010.0.i586.rpm

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                    <a href="../../../html/index.html">Home</a> &raquo; <a href="../../../html/pmc.html">PMCs</a> &raquo; System Environment
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<h1><a name="NAME"
>NAME</a></h1>

<p>src/pmc/env.pmc &#45; System Environment</p>

<h1><a name="DESCRIPTION"
>DESCRIPTION</a></h1>

<p><code>Env</code> is a singleton class which provides access to the system environment.</p>

<p>XXX Think about returning Pair back.
Currently there is no way to iterate over environment <i>keys</i>.</p>

<h2><a name="Methods"
>Methods</a></h2>

<dl>
<dt><a name="void_*get_pointer()"
><b><code>void *get_pointer()</b></code></a></dt>

<dt><a name="void_set_pointer(void_*ptr)"
><b><code>void set_pointer(void *ptr)</b></code></a></dt>
These two functions are part of the singleton creation interface.
For more information see <em><a href="../pmc.c.html">src/pmc.c</a></em>.
<dt><a name="PMC_*get_iter()"
><b><code>PMC *get_iter()</b></code></a></dt>
Returns a new iterator for the environment.
This method is questionable,
as environ is not in ISO&#45;C.
<dt><a name="INTVAL_elements()"
><b><code>INTVAL elements()</b></code></a></dt>
Returns the number of elements in the environment.
This method is questionable,
as environ is not in ISO&#45;C.
<dt><a name="INTVAL_get_integer()"
><b><code>INTVAL get_integer()</b></code></a></dt>
Returns the size of the hash.
<dt><a name="FLOATVAL_get_number()"
><b><code>FLOATVAL get_number()</b></code></a></dt>
Returns the size of the hash.
<dt><a name="STRING_*get_string_keyed(PMC_*key)"
><b><code>STRING *get_string_keyed(PMC *key)</b></code></a></dt>
Returns the Parrot string value for the environment variable <code>*key</code>.
<dt><a name="STRING_*get_string_keyed_int(PMC_*key)"
><b><code>STRING *get_string_keyed_int(PMC *key)</b></code></a></dt>
Returns the Parrot string value for the environment variable at position <code>pos</code>.Used during iteration.
<dt><a name="STRING_*get_pmc_keyed(PMC_*key)"
><b><code>STRING *get_pmc_keyed(PMC *key)</b></code></a></dt>
Returns a String PMC for the environment variable <code>*key</code>.
<dt><a name="void_set_string_keyed(PMC_*key,_STRING_*value)"
><b><code>void set_string_keyed(PMC *key, STRING *value)</b></code></a></dt>
Sets the environment variable <code>*key</code> to <code>*value</code>.
<dt><a name="void_set_pmc_keyed(PMC_*key,_PMC_*value)"
><b><code>void set_pmc_keyed(PMC *key, PMC *value)</b></code></a></dt>
Sets the environment variable <code>*key</code> to <code>*value</code>.
<dt><a name="INTVAL_exists_keyed(PMC_*key)"
><b><code>INTVAL exists_keyed(PMC *key)</b></code></a></dt>
Returns whether the environment variable for <code>*key</code> exists.
<dt><a name="void_delete_keyed(PMC_*key)"
><b><code>void delete_keyed(PMC *key)</b></code></a></dt>
Deletes the the environment variable for <code>*key</code>.</dl>

<h1><a name="SEE_ALS0"
>SEE ALS0</a></h1>

<p>PDD &#45; <a href='http://docs.parrot.org/parrot/latest/html/docs/pdds/pdd17_pmc.pod.html#Hash_types'><a href="http://docs.parrot.org/parrot/latest/html/docs/pdds/pdd17_pmc.pod.html#Hash_types">http://docs.parrot.org/parrot/latest/html/docs/pdds/pdd17_pmc.pod.html#Hash_types</a></a></p>

<p>Environment in Perl 6 &#45; <a href='http://dev.perl.org/perl6/rfc/318.html'><a href="http://dev.perl.org/perl6/rfc/318.html">http://dev.perl.org/perl6/rfc/318.html</a></a></p>

<p>Module for Perl 5 &#45; <a href='http://search.cpan.org/~stas/Env&#45;C&#45;0.06/'><a href="http://search.cpan.org/~stas/Env&#45;C&#45;0.06/">http://search.cpan.org/~stas/Env&#45;C&#45;0.06/</a></a></p>
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