Arguments to event handler delegates
Represents an SDL event handler, which controls the main thread and calls delegate functions specified by the program
The argument to the default PUMP event
Initialize the SDL library. Call this once, and before anything else. systems: The subsystems to initialize
Initialize one or more subsystems of SDL. systems: The subsystems to initialize
Shuts down the SDL library and all initialized subsystems
Shuts down specific subsystems of SDL systems: The subsystems to quit