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# Civetweb API Reference
### `mg_url_encode( src, dst, des_len );`
### Parameters
| Parameter | Type | Description |
| :--- | :--- | :--- |
|**`src`**|`const char *`|Input string to encode|
|**`dst`**|`char *`|Destination buffer to store the encoded result|
|**`dst_len`**|`size_t`|Length of the destination buffer including the terminating NUL|
### Return Value
| Type | Description |
| :--- | :--- |
|`int`|The number of characters written in the destination buffer|
### Description
The function `mg_url_encode()` encodes a in input buffer. Both normal URIs and form URIs can be encoded. In the latter case the space character is converted to a `+` as defined in [RFC 1866](http://ftp.ics.uci.edu/pub/ietf/html/rfc1866.txt) in section 8.2.1.
### See Also
* [`mg_url_decode();`](mg_url_decode.md)
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