#include <iostream>
#include <fstream>
using namespace std;
int length(char phrase[]);
void concat(char phrase1[], char phrase2[], int measure1);
void copy(char phrase1[], char phrase2[]);
int main()
{
	ifstream input;
	char phrase1[40], phrase2[40];
	int measure1, measure2;
	cout << "Reading file..." << endl;
	input.open("phrases.txt");
	input.getline(phrase1, 40, '\n');
	input.getline(phrase2, 40, '\n');
	cout << "Calling length function..." << endl;
	measure1 = length(phrase1);
	cout << "The length of phrase one is " << measure1 << "." << endl;
	cout << "Calling length function..." << endl;
	measure2 = length(phrase2);
	cout << "The length of phrase two is " << measure2 <<"." << endl;
	concat(phrase1, phrase2, measure1);
	copy(phrase1, phrase2);
	return 0;
}
int length(char phrase[])
{
	int length = -1, i = 0;
	while(length == -1)
	{
		if (phrase[i] == '\0')
		{
			length = i;
		}
		i++;
	}
	return length;
}
 
void concat(char phrase1[], char phrase2[], int measure1)
{
	int i, j = 0;
	i = measure1 + 1;
	phrase1[measure1] = ' '; 
	while (j < 41)
	{
		if (phrase2[j] != '\0')
		{
			phrase1[i + j] = phrase2[j];
		}
		j++;
	}
	cout << "The new phrase is " << phrase1 << endl;
	return;
}
void copy(char phrase1[], char phrase2[])
{
	int i = 0;
	while (i < 41)
	{
		phrase2[i] = phrase1[i];
		i++;
	}
	cout << "Phrase 1 is " << phrase1 << " and phrase 2 is " << phrase2 << "." << endl;
	return;
}