#include <stdio.h>
void test(unsigned long *ll) {
	*ll += 1;
	return;
}
void test2(unsigned long *ll) {
	*ll++;
	return;
}
int main() {
	unsigned long l;
	
	l = 0;
	test(&l);
	fprintf(stderr,"l er %lu\n",l);

	l = 0;
	test2(&l);
	fprintf(stderr,"l er %lu\n",l);
	
	return 0;

}