#include <stdio.h>
int sum(int, int);
int product(int, int);
int subtract(int, int);
int main()
{
int i = 0;
int a = 10;
int b = 5;
int result = 0;
int (*pfun[3])(int, int);
pfun[0] = sum;
pfun[1] = product;
pfun[2] = subtract;
for( i = 0 ; i < 3 ; i++)
{
result = pfun[i](a, b);
printf("\nresult = %d", result);
}
result = pfun[1](pfun[0](a, b), pfun[2](a, b));
printf("\n\nThe product of the sum and the subtract = %d\n",result);
}
int sum(int x, int y)
{
return x + y;
}
int product(int x, int y)
{
return x * y;
}
int subtract(int x, int y)
{
return x - y;
}
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