how do i implement Pointers to call the function

[Virus2030]

write a program which contains two global variables:
1.Account number (integer)
2.Account Balance (float)
and three functions :
A function called set values which sets initial values for account number and account balance,
A function called set values which prompt user to enter the values of the above variables,
A function called input transaction which reads a character value for transaction type that is D (for deposit) and W (for withdrawal ) and a floating point value for transaction amount which updates the account balance .
Implement a pointer to call each of the functions using C++.


thank you guys for your consideration .

[weaknessforcats]

The easiest way to define a function pointer is to start with the function prototype:

int MyFunction(int arg1, int* arg2);

Then replace the function name with the name of the function pointer preceded by an asterisk and surrounded with paretheses. So if the pointer name is ptr then:

int (*ptr)(int arg1, int* arg2);

is the function pointer.

Next, remember that the name of a function is the address of the function, so you then:

ptr = MyFunction;

This puts the address of MyFunction into the pointer. You then use ptr to call the function:

ptr(25, &something);

ptr can be used to call any function that has an int and an int* for arguments and returns an int.