Difference between Function to pointer and pointer to function

Difference between Function to pointer and pointer to function

A function to pointer is one which returns a pointer.

Ex: int *add(int num1,int num2) {
.
.
}

A pointer to function points to a function.

Ex: int add();
int (*addi)();
addi =&add;
then (*addi)() represents add();

A pointer to a function is a pointer that points to a function. A function pointer is a pointer that either has an indeterminate value, or has a null pointer value, or points to a function