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# Civetweb API Reference
### `mg_get_request_link( conn, buf, buflen );`
### Parameters
| Parameter | Type | Description |
| :--- | :--- | :--- |
|**`conn`**|`struct mg_connection *`| A pointer referencing the connection |
|**`buf`**|`char *`| A buffer to store the link |
|**`buflen`**|`size_t`| Size of the buffer |
### Return Value
| Type | Description |
| :--- | :--- |
|`int`| Return code: <0 for error, >=0 for success |
### Description
Store a formatted link corresponding to the current request.
E.g., returns
`http://mydomain.com:8080/path/to/callback.ext`
or
`http://127.0.0.1:8080/path/to/callback.ext`
depending on the auth check settings.
### See Also
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