Return the default port for a known scheme
This function returns the default port for the known schemes. If the value does not represent a known scheme or the scheme does not represent a protocol, the function returns zero.
The following ports are returned by the function:
scheme::ftp = 21
scheme::http, scheme::ws = 80
scheme::https, scheme::wss = 443
| Name | Description |
|---|---|
| s | The known scheme constant |