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#include <stdio.h>
int sum(int x, int y){
return x + y;
}
int product(int x, int y){
return x * y;
}
int difference(int x, int y){
return x - y;
}
int main(void){
int a = 10;
int b = 5;
int result = 0;
int (*pfun[3])(int, int); /* Function pointer array declaration */
/* Initialize pointers */
pfun[0] = sum;
pfun[1] = product;
pfun[2] = difference;
/* Call all three functions through pointers in an expression */
result = pfun[1](pfun[0](a, b), pfun[2](a, b));
printf("\n\nThe product of the sum and the difference = %d\n",
result);
return 0;
}
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