Creates a reachability reference to the specified network host or node name.
SDKs
- iOS 2.0+
- macOS 10.3+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
Framework
- System
Configuration
Declaration
func SCNetworkReachabilityCreateWithName(_ allocator: CFAllocator?, _ nodename: UnsafeParameters
allocatorThe allocator to use. Pass
NULLorkto use the default allocator.CFAllocator Default nodenameThe node name of the desired host. This name is the same as that passed to the gethostbyname or getaddrinfo functions. The value of this parameter is copied into the new object.
Return Value
A new immutable reachability reference. You must release the returned value.
Discussion
You can use the reachability reference returned by this function to monitor the reachability of the target host.