Function SCNetworkReachabilitySetCallback

pub unsafe extern "C-unwind" fn SCNetworkReachabilitySetCallback(
    target: &SCNetworkReachability,
    callout: SCNetworkReachabilityCallBack,
    context: *mut SCNetworkReachabilityContext,
) -> bool

👎Deprecated

Available on crate feature SCNetworkReachability only.

Assigns a client to a target, which receives callbacks when the reachability of the target changes.

Parameter target: The network reference associated with the address or name to be checked for reachability.

Parameter callout: The function to be called when the reachability of the target changes. If NULL, the current client for the target is removed.

Parameter context: The SCNetworkReachabilityContext associated with the callout. The value may be NULL.

Returns: Returns TRUE if the notification client was successfully set.