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<html><head><meta http-equiv="X-UA-Compatible" content="IE=edge" /><link rel="shortcut icon" href="../icons/favicon.ico" /><link rel="stylesheet" type="text/css" href="../styles/branding.css" /><link rel="stylesheet" type="text/css" href="../styles/branding-en-US.css" /><script type="text/javascript" src="../scripts/branding.js"> </script><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>char_ptr Structure</title><meta name="Language" content="en-us" /><meta name="System.Keywords" content="char_ptr structure" /><meta name="System.Keywords" content="Math.Gmp.Native.char_ptr structure" /><meta name="System.Keywords" content="char_ptr structure, about char_ptr structure" /><meta name="Microsoft.Help.F1" content="Math.Gmp.Native.char_ptr" /><meta name="Microsoft.Help.Id" content="T:Math.Gmp.Native.char_ptr" /><meta name="Description" content="Represents a pointer to a string in unmanaged memory." /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="true" /><meta name="container" content="Math.Gmp.Native" /><meta name="file" content="06249483-9daf-95f9-32c7-30195550bbcc" /><meta name="guid" content="06249483-9daf-95f9-32c7-30195550bbcc" /><link rel="stylesheet" type="text/css" href="../styles/branding-Website.css" /><script type="text/javascript" src="../scripts/jquery-1.11.0.min.js"></script><script type="text/javascript" src="../scripts/branding-Website.js"></script><script type="text/javascript" src="../scripts/clipboard.min.js"></script></head><body onload="OnLoad('cs')"><input type="hidden" id="userDataCache" class="userDataStyle" /><div class="pageHeader" id="PageHeader">GMP Native Interface for .NET<form id="SearchForm" method="get" action="#" onsubmit="javascript:TransferToSearchPage(); return false;"><input id="SearchTextBox" type="text" maxlength="200" /><button id="SearchButton" type="submit"></button></form></div><div class="pageBody"><div class="leftNav" id="leftNav"><div id="tocNav"><div class="toclevel0" data-toclevel="0"><a class="tocCollapsed" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="846f5c8a-6cba-433e-9f18-cde2ff5695cd.htm" title="GMP Native Interface for .NET" tocid="roottoc">GMP Native Interface for .NET</a></div><div class="toclevel0" data-toclevel="0"><a class="tocCollapsed" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="d9c51b9f-0c54-770b-28ea-6eebd8fef368.htm" title="Math.Gmp.Native" tocid="d9c51b9f-0c54-770b-28ea-6eebd8fef368">Math.Gmp.Native</a></div><div class="toclevel1 current" data-toclevel="1" data-childrenloaded="true"><a class="tocExpanded" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="06249483-9daf-95f9-32c7-30195550bbcc.htm" title="char_ptr Structure" tocid="06249483-9daf-95f9-32c7-30195550bbcc">char_ptr Structure</a></div><div class="toclevel2" data-toclevel="2"><a class="tocCollapsed" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="9006f054-e796-6460-45df-47d6ab808697.htm" title="char_ptr Constructor " tocid="9006f054-e796-6460-45df-47d6ab808697">char_ptr Constructor </a></div><div class="toclevel2" data-toclevel="2"><a class="tocCollapsed" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="73876566-4eec-b421-e4d6-3593e9641f0a.htm" title="char_ptr Methods" tocid="73876566-4eec-b421-e4d6-3593e9641f0a">char_ptr Methods</a></div><div class="toclevel2" data-toclevel="2"><a class="tocCollapsed" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="84b523e8-bc53-01e9-49af-f7996af73647.htm" title="char_ptr Operators" tocid="84b523e8-bc53-01e9-49af-f7996af73647">char_ptr Operators</a></div><div class="toclevel2" data-toclevel="2"><a class="tocCollapsed" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="b32f2955-fb82-d5d4-3b3d-7dcd95a5d305.htm" title="char_ptr Fields" tocid="b32f2955-fb82-d5d4-3b3d-7dcd95a5d305">char_ptr Fields</a></div></div><div id="tocResizableEW" onmousedown="OnMouseDown(event);"></div><div id="TocResize" class="tocResize"><img id="ResizeImageIncrease" src="../icons/TocOpen.gif" onclick="OnIncreaseToc()" alt="Click or drag to resize" title="Click or drag to resize" /><img id="ResizeImageReset" src="../icons/TocClose.gif" style="display:none" onclick="OnResetToc()" alt="Click or drag to resize" title="Click or drag to resize" /></div></div><div class="topicContent" id="TopicContent"><table class="titleTable"><tr><td class="titleColumn">char_ptr Structure</td></tr></table><span class="introStyle"></span> <div class="summary">
Represents a pointer to a string in unmanaged memory.
</div><p> </p>
<strong>Namespace:</strong>
 <a href="d9c51b9f-0c54-770b-28ea-6eebd8fef368.htm">Math.Gmp.Native</a><br />
<strong>Assembly:</strong>
 Math.Gmp.Native (in Math.Gmp.Native.dll) Version: 1.0.0.0 (1.0.0.0)<div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID1RB')" onkeypress="SectionExpandCollapse_CheckKey('ID1RB', event)" tabindex="0"><img id="ID1RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Syntax</span></div><div id="ID1RBSection" class="collapsibleSection"><div class="codeSnippetContainer"><div class="codeSnippetContainerTabs"><div id="ID0EDCA_tab1" class="codeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','cs','1','4');return false;">C#</a></div><div id="ID0EDCA_tab2" class="codeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','vb','2','4');return false;">VB</a></div><div id="ID0EDCA_tab3" class="codeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','cpp','3','4');return false;">C++</a></div><div id="ID0EDCA_tab4" class="codeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','fs','4','4');return false;">F#</a></div></div><div class="codeSnippetContainerCodeContainer"><div class="codeSnippetToolBar"><div class="codeSnippetToolBarText"><a id="ID0EDCA_copyCode" href="#" class="copyCodeSnippet" onclick="javascript:CopyToClipboard('ID0EDCA');return false;" title="Copy">Copy</a></div></div><div id="ID0EDCA_code_Div1" class="codeSnippetContainerCode" style="display: block"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">struct</span> <span class="identifier">char_ptr</span></pre></div><div id="ID0EDCA_code_Div2" class="codeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">Structure</span> <span class="identifier">char_ptr</span></pre></div><div id="ID0EDCA_code_Div3" class="codeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">value class</span> <span class="identifier">char_ptr</span></pre></div><div id="ID0EDCA_code_Div4" class="codeSnippetContainerCode" style="display: none"><pre xml:space="preserve">[&lt;<span class="identifier">SealedAttribute</span>&gt;]
<span class="keyword">type</span> <span class="identifier">char_ptr</span> = <span class="keyword">struct</span> <span class="keyword">end</span></pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID0EDCA");</script></div><p>The <span class="selflink">char_ptr</span> type exposes the following members.</p><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID2RB')" onkeypress="SectionExpandCollapse_CheckKey('ID2RB', event)" tabindex="0"><img id="ID2RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Constructors</span></div><div id="ID2RBSection" class="collapsibleSection"><table class="members" id="constructorList"><tr><th class="iconColumn">
 
</th><th>Name</th><th>Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="dacdc449-bc14-8224-58ec-2837db13ad15.htm">char_ptr(IntPtr)</a></td><td><div class="summary">
Creates new string using an already allocated string in unmanaged memory.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="255d9de2-3cf6-50f3-3276-a4332896da07.htm">char_ptr(String)</a></td><td><div class="summary">
Creates new string in unmanaged memory and initializes it with <span class="parameter">str</span>.
</div></td></tr></table><a href="#PageHeader">Top</a></div><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID3RB')" onkeypress="SectionExpandCollapse_CheckKey('ID3RB', event)" tabindex="0"><img id="ID3RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Methods</span></div><div id="ID3RBSection" class="collapsibleSection"><table class="members" id="methodList"><tr><th class="iconColumn">
 
</th><th>Name</th><th>Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="77d1beb2-2aed-58e8-dc50-bba2ff56afee.htm">Equals(Object)</a></td><td><div class="summary">
Returns a value indicating whether this instance is equal to a specified object.
</div> (Overrides <a href="http://msdn2.microsoft.com/en-us/library/2dts52z7" target="_blank">ValueType<span id="LST90034EB8_0"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST90034EB8_0?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Equals(Object)</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="b1eefed1-412c-fcb1-29ff-34094bc8d57e.htm">Equals(char_ptr)</a></td><td><div class="summary">
Returns a value indicating whether this instance is equal to a specified <span class="selflink">char_ptr</span> value.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="84492195-83e7-7738-6678-c299663dd02c.htm">GetHashCode</a></td><td><div class="summary">
Returns the hash code for this instance.
</div> (Overrides <a href="http://msdn2.microsoft.com/en-us/library/y3509fc2" target="_blank">ValueType<span id="LST90034EB8_1"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST90034EB8_1?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>GetHashCode<span id="LST90034EB8_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST90034EB8_2?cs=()|vb=|cpp=()|nu=()|fs=()");</script></a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/dfwy45w9" target="_blank">GetType</a></td><td><div class="summary">Gets the <a href="http://msdn2.microsoft.com/en-us/library/42892f65" target="_blank">Type</a> of the current instance.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="42a15292-978c-35c6-bfa3-9d5acf725ca7.htm">ToIntPtr</a></td><td><div class="summary">
Gets pointer to string in unmanaged memory.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="1eedfa7e-7135-6b5d-e395-9a6b90fab236.htm">ToString</a></td><td><div class="summary">
Gets the .NET <a href="http://msdn2.microsoft.com/en-us/library/s1wwdcbf" target="_blank">string</a> equivalent of the unmanaged string.
</div> (Overrides <a href="http://msdn2.microsoft.com/en-us/library/wb77sz3h" target="_blank">ValueType<span id="LST90034EB8_3"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST90034EB8_3?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>ToString<span id="LST90034EB8_4"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST90034EB8_4?cs=()|vb=|cpp=()|nu=()|fs=()");</script></a>.)</td></tr></table><a href="#PageHeader">Top</a></div><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID4RB')" onkeypress="SectionExpandCollapse_CheckKey('ID4RB', event)" tabindex="0"><img id="ID4RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Operators</span></div><div id="ID4RBSection" class="collapsibleSection"><table class="members" id="operatorList"><tr><th class="iconColumn">
 
</th><th>Name</th><th>Description</th></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/puboperator.gif" alt="Public operator" title="Public operator" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="a4f47fa4-8285-638d-c094-bc9e249a49a0.htm">Equality</a></td><td><div class="summary">
Gets a value that indicates whether the two argument values are equal.
</div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/puboperator.gif" alt="Public operator" title="Public operator" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="f090e7f3-7440-c789-5594-e5512076a61a.htm">Inequality</a></td><td><div class="summary">
Gets a value that indicates whether the two argument values are different.
</div></td></tr></table><a href="#PageHeader">Top</a></div><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID5RB')" onkeypress="SectionExpandCollapse_CheckKey('ID5RB', event)" tabindex="0"><img id="ID5RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Fields</span></div><div id="ID5RBSection" class="collapsibleSection"><table class="members" id="fieldList"><tr><th class="iconColumn">
 
</th><th>Name</th><th>Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubfield.gif" alt="Public field" title="Public field" /></td><td><a href="cfa68b4c-3d5d-c5b1-1ef1-ab054ef87097.htm">Pointer</a></td><td><div class="summary">
Pointer to string in unmanaged memory.
</div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubfield.gif" alt="Public field" title="Public field" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="76481715-8a8b-e739-905c-f0d83de503ab.htm">Zero</a></td><td><div class="summary">
Gets a null <span class="selflink">char_ptr</span>.
</div></td></tr></table><a href="#PageHeader">Top</a></div><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID6RB')" onkeypress="SectionExpandCollapse_CheckKey('ID6RB', event)" tabindex="0"><img id="ID6RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Remarks</span></div><div id="ID6RBSection" class="collapsibleSection" /><div class="collapsibleAreaRegion" id="seeAlsoSection"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID7RB')" onkeypress="SectionExpandCollapse_CheckKey('ID7RB', event)" tabindex="0"><img id="ID7RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />See Also</span></div><div id="ID7RBSection" class="collapsibleSection"><h4 class="subHeading">Reference</h4><div class="seeAlsoStyle"><a href="d9c51b9f-0c54-770b-28ea-6eebd8fef368.htm">Math.Gmp.Native Namespace</a></div></div></div></div><div id="pageFooter" class="pageFooter"> </div></body></html>