What's the additional header file that should be added to use the exit (); in C language?

Answer 1

stdlib.h

Answer 2

Sorry I was not here and when i came was lost in challenges. Sonic done the job 👍

Answer 3

#include <stdlib.h>

Answer 4

If you are using linux then type in your Terminal:
man function_name
For example:
man exit
There are some manuals where you need to provide a digit too, which is for page types. For example:
man 2 function_name

Answer 5

On the top of the program write #include<stdlib.h> that will do.

Answer 6

stdlib.h