#include <stdio.h>

/*
 * show how to use functions with structs
 *	1. a less efficient way
 *	2. a typical, better way
 */

#define	NAME_LEN	100
#define	NUM_LEN		30

struct contact
{
	char	name[NAME_LEN];
	char	phonenum[NUM_LEN];
};

void fill_entry(struct contact *);
void print_entry(struct contact);

int main()
{
	struct contact alan;

	fill_entry(&alan);		// &alan is ADDRESS of the variable
	print_entry(alan);
	return 0;
}

void fill_entry( struct contact *cp )
{
	printf("name? ");
	scanf("%s", cp->name );
	printf("phone num? ");
	scanf("%s", cp->phonenum );
}
void print_entry( struct contact c )
{
	printf("name: %s\n", c.name);
	printf("phone num: %s\n", c.phonenum);
}