What's the meaning of this piece of code? void (*signal(int sig, void (*func)(int)))(int);

Question

I came across this piece of code and completely got lost interpreting its meaning.

#include 
void (*signal(int sig, void (*func)(int)))(int);         


        

Answer 1

Returning pointer to a function which takes an:

• integer as first argument argument and
• a pointer to a function (which takes an int and returns void) as an argument as a second argument.

And takes an integer argument.