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C/C++ API Documentation | 2025.1

# ClientApi::GetHost()

Get client hostname.

Virtual? | No | Class
`ClientApi` |  | Arguments
None |  | Returns

## Notes

See `GetClient()` for more about the `StrPtr` return value.

In some instances, `GetHost()` is not valid until after the network connection has been established with `Init()`. `GetHost()` attempts to pull its value from earlier `SetHost()` calls, then from `P4HOST` in the environment, and then from the value of "hostname" returned by the client OS. If none of these is applicable, a reverse DNS lookup is performed, but the lookup will not work unless the connection has been established with `Init()`.

To guarantee valid results, call `GetHost()` only after `Init()` or `SetHost()`. Because `GetHost()` might sometimes be called during the execution of `GetClient()`, this warning applies to both methods.

As noted above, `GetHost()` does not necessarily return the actual hostname of the machine if it has been overridden by `P4HOST` or an earlier call to `SetHost()`.

## Example

The following example demonstrates the usage of `GetHost()`.

    ClientApi client;
    client.Init();

    printf( "Client hostname is %s\n", client.GetHost().Text() );

Executing the preceding code produces the following output:

    shire% a.out
    Client hostname is shire

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