How to catch a signal

[Dennis]

On Saturday, 9 November 2019 at 12:44:20 UTC, W.Boeke wrote:
> What should be the right way to accomplish this?

Put an ampersand before the function to get its address:
>   signal.signal(SIGWINCH,cast(void function(int)) &set_winch);

In C you can omit the & when taking a function address, but when 
you do that in D it tries to call the function and cast the 
return value of the function instead.