#include <stdio.h>
void setint(int*, int);
int main() {
	int a;
	setint(&a, 10);
	printf("a=%d\n" , a);
	int *b=NULL;
	setint(b, 20); //Mistake is intentional to check gdb demo
	printf("b=%d\n" , *b);
	return 0;
}
void setint(int* ip, int i) {
	*ip = i;
}