Several c language definition of fallible description

1. int p;  an integer //
2. P int [. 5];  // an array of integers containing 5
3. * P int;  // pointer to an integer
4. * P int [10];  // pointer to an integer array 10 comprising
5. ** P int;  // pointer to an integer
6. int (* P) [. 3];  // pointer to an integer array 3
7. int (* P) (char *);  // points to a function with a pointer to an integer
8. int (* P [. 5]) (int);  // contains five pointers to functions array of function accepts an integer argument and returns an integer