C++ Question

Question

Hello

How would you use the following statement in a program?

int(*fp)(char*);

It appears in a SoloLearn coding challenge, it says it is a "pointer to function taking a char* argument and returning an int.

Answer 1

Ok, I think I got it.
https://code.sololearn.com/cEx4oj59lnKc/#cpp
I am kind of confused about the warnings that pop up.
Thanks again swim!