Stirng.h Library Function strtok convert a string into tokens.(How do this program works.?)

STRTOK:
                This function inputs an array from user and convert the given string into tokens or you can say convert every complete word into a different line.

Here is the Code for this Program.>>>

#include <iostream>
#include <stdio.h>
using namespace std;
void strtok(char []);
int main()
{
    char arr[200];
    cout << "Enter the statement : " << endl;
    gets(arr);
    cout<<"After Converting statement into tokens: "<<endl;
    strtok(arr);
    return 0;
}
void strtok(char array[])
{
    int i=0;
    while(array[i]!='\0')
    {
        if(array[i]==' ')
        {
            cout<<endl;
        }
        else if(array[i]!='\0')
        {
            cout<<array[i];
        }
        i++;
    }
}