#include <stdio.h>


/* this program shows how to use a function to compute an age in 'dog year' */

/* function prototype */
int computeage( int age );


int main( void )
{
	/* declare an integer to hold the computed dog years age */
	int dogyears=0;

	/* compute the age of a 7 year old and store the results in the 'dogyears' variable */
	dogyears=computeage(7);

	/* display the age in dog years */
	printf( "age in dog years is %d\n", dogyears );

	return 0;
}

int computeage( int age )
{
	int returnage = 0;

	/* compute the age */
	returnage = age * 7;

	/* return the age */
	return( returnage );

}