Get Decimal Value Of Any Character

// this program gives you the decimal value of any ansii character
// there's shorter way to make this program but I wanted to use functions

#include
#include
using namespace std;

char GetLetter(); // this is a function prototype
int GetNumberFromLetter(char letter); // this is another function prototype
void PrintNumber(int number);

int main() // the main function
{
cout<<"Enter a letter, press Enter, and get its designated number:"<
while (true) // the program never terminates itself.
{

PrintNumber(GetNumberFromLetter(GetLetter())); //this line calls 3 different functions
}

return 0;
}

char GetLetter(){ // function definition of the function prototype

char letter;
cin>> letter;
return letter;
}


int GetNumberFromLetter (char letter){

int number = 0;
number = letter;
return number;
}

void PrintNumber (int number){
cout<< number << endl;
}