#include <stdio.h>
int sum(int x, int y){
return x + y;
}
int multiply(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)(int, int);
var1 = sum;
result = var1(a, b);
printf("\n var1 = sum result = %d", result);
var2 = multiply;
result = var2(a, b);
printf("\n var2 = multiply result = %d", result);
var3 = difference;
result = var3(a, b);
printf("\n var3 = difference result = %d \n", result);
return 0;
}
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