using function pointers (similar to overloading)

Author: georgecatalin

Learn_CPP_Programming_Deep_Dive/Section 10 Functions/Function_pointers/main.cpp

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+#include <iostream>
+
+using namespace std;
+
+void display()
+{
+    cout<<"It is Friday evening. Weekend is coming!!"<<endl;
+}
+
+int max(int a, int b)
+{
+    cout<<"I am in max function"<<endl;
+    return a > b ? a : b ;
+}
+
+int min(int a, int b)
+{
+    cout<<"I am in the min function"<<endl;
+    return a < b ? a : b ;
+}
+
+
+int main(void)
+{
+    void (*fp) () ; //declaration
+    fp = display;  // initialization
+    (*fp)(); // usage of the function pointer
+
+
+    int (*fp1)(int, int); // declaration of function pointers returning other than void and that take parameters
+    fp1 = max; // initialization
+    (*fp1)(10,5); // usage
+
+    fp1 = min; 
+    (*fp1)(10,5); // usage
+
+    return 0;
+}