# in.h<a name="ZH-CN_TOPIC_0000001057626605"></a>

-   [Overview](#section531777155165628)
-   [Summary](#section47930473165628)
-   [Data Structures](#nested-classes)
-   [Typedefs](#typedef-members)

## **Overview**<a name="section531777155165628"></a>

**Related Modules:**

[NET](NET.md)

**Description:**

Declares the data structures and macros related to network operations. 

**Since:**

1.0

**Version:**

1.0

## **Summary**<a name="section47930473165628"></a>

## Data Structures<a name="nested-classes"></a>

<a name="table521954361165628"></a>
<table><thead align="left"><tr id="row443937861165628"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p163055226165628"><a name="p163055226165628"></a><a name="p163055226165628"></a>Data Structure Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p797606018165628"><a name="p797606018165628"></a><a name="p797606018165628"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row1127407759165628"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p409591580165628"><a name="p409591580165628"></a><a name="p409591580165628"></a><a href="in_addr.md">in_addr</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1180549712165628"><a name="p1180549712165628"></a><a name="p1180549712165628"></a>Describes the network address information. </p>
</td>
</tr>
</tbody>
</table>

## Typedefs<a name="typedef-members"></a>

<a name="table1114728652165628"></a>
<table><thead align="left"><tr id="row1092114687165628"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p1300987852165628"><a name="p1300987852165628"></a><a name="p1300987852165628"></a>Typedef Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p282195669165628"><a name="p282195669165628"></a><a name="p282195669165628"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row1712826956165628"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1807727706165628"><a name="p1807727706165628"></a><a name="p1807727706165628"></a><a href="NET.md#ga98b38134a62f24554da0ffcabde8062c">in_addr_t</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1125396018165628"><a name="p1125396018165628"></a><a name="p1125396018165628"></a> typedef uint32_t </p>
<p id="p1817361385165628"><a name="p1817361385165628"></a><a name="p1817361385165628"></a>Defines the data type of a network address. </p>
</td>
</tr>
</tbody>
</table>