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#include <stdio.h>
int add(int a, int b) {
return a + b;
}
int multiply(int a, int b) {
return a * b;
}
int operate(int x, int y, int (*fp)(int, int)) {
return fp(x, y);
}
int main() {
int a = 10, b = 5;
int (*funcPtr)(int, int);
// Function pointer points to add
funcPtr = add;
printf("Addition: %d\n", funcPtr(a, b));
// Function pointer points to multiply
funcPtr = multiply;
printf("Multiplication: %d\n", funcPtr(a, b));
// Callback style function call
printf("Callback Add: %d\n", operate(a, b, add));
printf("Callback Multiply: %d\n", operate(a, b, multiply));
return 0;
}Coding works best on desktop or with an external keyboard.