# 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)