#include <stdio.h>

void functionpointer(int x, int y)
{
    printf("Value of x is %d & y is %d\n", x,y);
}

int main()
{
    void (*functionpointer_ptr)(int,int);//defining  functionpointer_ptr as pointer with 2 arguments
    functionpointer_ptr = &functionpointer; // functionpointer_ptr is a pointer to function functionpointer() 

    // Calling functionpointer() using functionpointer_ptr
    (*functionpointer_ptr)(10,11);

    return 0;
}