Specifies callback functions that perform the network I/O operations.
- iOS 5.0+
- macOS 10.2+
- tvOS 9.0+
- watchOS 2.0+
A result code. See Secure Transport Result Codes.
Secure Transport calls your read and write callback functions to perform network I/O. You must define these functions before calling
You must call
SSLSet prior to calling the
SSLSet cannot be called while a session is active.