# timeval<a name="ZH-CN_TOPIC_0000001054799649"></a>

-   [Overview](#section1295890346165637)
-   [Summary](#section739151725165637)
-   [Data Fields](#pub-attribs)
-   [Details](#section2131198180165637)
-   [Field](#section848838445165637)
-   [tv\_sec](#aef6ddab1064c430758f9f913b7e4a21e)
-   [tv\_usec](#a810bf8fcd58e255a5c1896d19538b86a)

## **Overview**<a name="section1295890346165637"></a>

**Related Modules:**

[TIME](TIME.md)

**Description:**

Describes a period of time, accurate to microseconds. 

## **Summary**<a name="section739151725165637"></a>

## Data Fields<a name="pub-attribs"></a>

<a name="table1365578446165637"></a>
<table><thead align="left"><tr id="row979005436165637"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p1031721904165637"><a name="p1031721904165637"></a><a name="p1031721904165637"></a>Variable Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p319479840165637"><a name="p319479840165637"></a><a name="p319479840165637"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row1421323525165637"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1510325164165637"><a name="p1510325164165637"></a><a name="p1510325164165637"></a><a href="timeval.md#aef6ddab1064c430758f9f913b7e4a21e">tv_sec</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p2033694633165637"><a name="p2033694633165637"></a><a name="p2033694633165637"></a><a href="UTILS.md#ga138ad62ac7715e7161bf6223e35d8323">time_t</a> </p>
</td>
</tr>
<tr id="row764337488165637"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p257502423165637"><a name="p257502423165637"></a><a name="p257502423165637"></a><a href="timeval.md#a810bf8fcd58e255a5c1896d19538b86a">tv_usec</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1443488037165637"><a name="p1443488037165637"></a><a name="p1443488037165637"></a><a href="UTILS.md#ga40aaae1f998e27c55cdb5ba6cd6fa1e6">suseconds_t</a> </p>
</td>
</tr>
</tbody>
</table>

## **Details**<a name="section2131198180165637"></a>

## **Field **<a name="section848838445165637"></a>

## tv\_sec<a name="aef6ddab1064c430758f9f913b7e4a21e"></a>

```
[time_t](UTILS.md#ga138ad62ac7715e7161bf6223e35d8323) timeval::tv_sec
```

 **Description:**

Second 

## tv\_usec<a name="a810bf8fcd58e255a5c1896d19538b86a"></a>

```
[suseconds_t](UTILS.md#ga40aaae1f998e27c55cdb5ba6cd6fa1e6) timeval::tv_usec
```

 **Description:**

Microsecond