POINTER TO FUNCTION IN C

Here is a simple code to show how to use pointers to function in C.

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Sample Program Output

Program Listing

pointers.c

/* May 2, 2018    */

/* Barangay Alijis, Bacolod City Negros Occidental Philippines */

/* Dev C++ */

/* Author : Mr. Jake R. Pomperada, MAED-IT */

#include <stdio.h>

#include <conio.h>

void Add(int,int);

void Product(int,int);

int main() 

{

     int a=0,b=0;

     

     printf("======  POINTER TO FUNCTION IN C =====");

     printf("\n\n");

     printf("Created By Mr. Jake R. Pomperada, MAED-IT");

     printf("\n\n");

     printf("Give Two Numbers : ");

     scanf("%d%d",&a,&b);

           

     void (*pf)(int,int);

     

     pf = Add;

     

     (*pf)(a,b);

     

     pf = Product;

     

     (*pf)(a,b);

     

     

    printf("\n\n\n\n");

    printf("===== END OF PROGRAM =====");

    printf("\n\n");

    system("pause");

}

  

 void Add(int x,int y)

 {

      int c=0;

      c = x + y;

      printf("\n\n");

      printf("The sum is %d.",c);

}

         

 void Product(int x,int y)

 {

      int d=0;

      d = x * y;

      printf("\n\n");

      printf("The product is %d.",d);

}