// This program demonstrates a string in C and all the 
// wonderful things we can do with strings using our special
// library <string.h>

// Week 4: Lecture 7: Strings (An array of char with a '\0')

#include <stdio.h>
// You will have to include a string library here, if you want
// to use all the wonderful functions that already exist for 
// strings! 
#include <string.h>

// Define the maximum size of the array
#define MAX 6

int main(void) {

    // Declare an array of chars 
    char array[MAX];
    char array2[MAX];

    // How would I put a word into my array from terminal?
    printf("Enter a word: ");
    
    fgets(array, MAX, stdin);

    printf("%s\n", array);

    /*printf("Enter a word: ");
    
    fgets(array2, MAX, stdin);

    printf("%s\n", array2);
    */
    // What happens when I manipulate the string and change 
    // things in the array (eg. move the null terminating char)?
    // Hello
    // Index 0 1 2 3 4 5 
    // Char  h e l \0
    /*array[3] = '\0';

    printf("%s", array);
    printf("%c", array[3]);
    printf("%c", array[4]);
  */
  	// Example using strcpy to copy from one string
    // to another (destination, source)
    

  	
  	// Example using strlen to find string length
  	// returns the int length NOT including '\0'
    printf("The length of the string is %d\n", strlen(array));
    
  
  	// Example using strcmp to compare two strings character
  	// by character - function will return:
  	// 0 = two strings are equal
  	// other int if not the same
    printf("The two strings are the same: %d\n", strcmp(array, "hello"));
  

    
    return 0;
}