// Copies a BMP file

#include <stdio.h>
#include <stdbool.h>

struct student {
	int age;
	bool enrolled;
	char *student_name;
};

void test_struct(struct student);
void print_student(struct student);

int main(int argc, char *argv[])
{
	struct student mike;

	mike.student_name = "Mike";
	mike.age = 19;
	mike.enrolled = false;

	print_student(mike); // $ Mike, 19, not enrolled
	test_struct(mike); // $ We pass the struct by value and change it.
	print_student(mike); // $ Mike, 19, not enrolled -- the changes we made in `test_struct` are forgotten

	return 0;
}

void test_struct(struct student s)
{
	s.student_name = "James";
	s.age = 25;
	s.enrolled = true;

	print_student(s); // $ James, 25, enrolled
}

void print_student(struct student s)
{
	printf("%s, %i, %s\n", s.student_name, s.age, s.enrolled ? "enrolled" : "not enrolled");
}