#include <stdio.h>
int sum(int,int);
int product(int,int);
int difference(int,int);
int any_function(int(*pfun)(int, int), int x, int y);
int main()
{
int a = 13;
int b = 51;
int result = 0;
int (*pf)(int, int) = sum;
result = any_function(pf, a, b);
printf("\nresult = %d", result );
result = any_function(product,a, b);
printf("\nresult = %d", result );
printf("\nresult = %d\n", any_function(difference, a, b));
}
int any_function(int(*pfun)(int, int), int x, int y){
return pfun(x, y);
}
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;
}
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