#include <stdio.h>
#include <stdlib.h>

/* If we "pass by value" to functions and try to modify
 * the value, we only modify the copy of the value.
 * Instead, we probably want to pass the pointer to the 
 * value.
 *
 * See file pointer_with_function.c to see how to pass
 * a value to a function with a pointer (so we can modify
 * the actual value). 
 */

void increment_int(int a);

int main(int argc, char *arg[])
{
	int a=1;
	increment_int(a);
	printf("%d\n", a);

	return 0;
}

void increment_int(int a)
{
	a=a+1;
	printf("in function: %i\n", a);
}