[CCode (cname = "SendChar", has_target = false, simple_generics = true)]
public delegate int SendChar<T> (string str, int id, T data);
[CCode (cname = "SendStat", has_target = false, simple_generics = true)]
public delegate int SendStat<T> (string str, int id, T data);
[CCode (cname = "ControlledExit", has_target = false, simple_generics = true)]
public delegate int ControlledExit<T> (int status, bool immediate, bool quit, int id, T data);
[CCode (cname = "SendData", has_target = false, simple_generics = true)]
public delegate int SendData<T> (VecValuesAll[] vectors, int id, T data);
[CCode (cname = "SendInitData", has_target = false, simple_generics = true)]
public delegate int SendInitData<T> ([CCode (array_length = false)] VecInfoAll[] vecs, int id, T data);
[CCode (cname = "BGThreadRunning", has_target = false, simple_generics = true)]
public delegate int BGThreadRunning<T> (bool running, int id, T data);

[CCode (cname = "ngSpice_Init", simple_generics = true)]
public static int init<T> (Ngspice.SendChar<T>? send_char, Ngspice.SendStat<T>? send_stat, Ngspice.ControlledExit<T> controlled_exit, Ngspice.SendData<T>? send_data, Ngspice.SendInitData<T>? send_data_init, Ngspice.BGThreadRunning<T>? bg_thread_running, T data);