/* more examples of functions in C */

#include<stdio.h>

int summ_it(int var1, int var2);


/* functions should have specific return types, even
	if they don't return anything.  they must
	parameter areas, even when nothing is passed
	to them */

void print_some_dashes();

int main()
{

	int a, b, c;

	a = 5;
	b = 7;

	c = summ_it(a, b);

	print_some_dashes();
	printf("%d plus %d equals %d\n", a, b, c);
	print_some_dashes();
}

int summ_it(int var1, int var2)
{
	int answer;

	answer = var1 + var2;

	return answer;
}

void print_some_dashes()
{
	printf("--------------------------------\n");
}