Making a String class in cpp

#include <string.h\>
  
#include <iostream.h\>
  
#include <conio.h\>
  
  
  
  
  
  
const int MAX \= 10 ;
  
  
  
  
class string
  
  
{
  
  
    private :
  
  
  
  
        char str\[MAX\] ;
  
  
  
  
    public :
  
  
  
  
        string( ) {}
  
  
        string ( char \*s ) {strcpy(str,s);}
  
  
        int xstrlen( ) ;
  
  
        static void xstrcpy ( string &amp;t, string &amp;s ) ;
  
  
        static void xstrcat ( string &amp;t, string &amp;s ) ;
  
  
        static int xstrcmp ( string &amp;s1, string &amp;s2 ) ;
  
  
        void show( ) ;
  
  
} ;
  
  
  
  
  
  
  
  
// finds the length of the string
  
  
int string::xstrlen( )
  
  
{
  
  
    int l \= 0 ;
  
  
    char \*s \= str ;
  
  
    while ( \*s )
  
  
    {
  
  
        l++ ;
  
  
        s++ ;
  
  
    }
  
  
    return l ;
  
  
}
  
  
  
  
// copies source string s to the target string t
  
  
void string :: xstrcpy ( string &amp;t, string &amp;s )
  
  
{
  
  
    char \*s1 \= t.str ;
  
  
    char \*s2 \= s.str ;
  
  
  
  
    while ( \*s2 )
  
  
    {
  
  
        \*s1 \= \*s2 ;
  
  
        s1++ ;
  
  
        s2++ ;
  
  
    }
  
  
    \*s1 \= '\\0' ;
  
  
}
  
  
  
  
// concatenates the two strings
  
  
void string :: xstrcat ( string &amp;t, string &amp;s )
  
  
{
  
  
    char \*s1 \= t.str ;
  
  
    char \*s2 \= s.str ;
  
  
  
  
    while ( \*s1 )
  
  
        s1++ ;
  
  
    while ( \*s2 )
  
  
        \*s1++ \= \*s2++ ;
  
  
    \*s1 \= '\\0' ;
  
  
}
  
  
  
  
// comapres two strings s1 and s2 for equality
  
  
int string :: xstrcmp ( string &amp;s1, string &amp;s2 )
  
  
{
  
  
    char \*s \= s1.str ;
  
  
    char \*t \= s2.str ;
  
  
  
  
    while ( \*s \=\= \*t )
  
  
    {
  
  
        if ( ! ( \*s ) )
  
  
            return 0 ;
  
  
        s++ ;
  
  
        t++ ;
  
  
    }
  
  
    return ( \*s \- \*t ) ;
  
  
}
  
  
  
  
// displays the string
  
  
void string :: show( )
  
  
{
  
  
    cout &lt;&lt; str &lt;&lt; endl ;
  
  
}
  
  
  
  
int main( )
  
  
{
  
  
    string s1 ( "kicit" ) ;
  
  
    string s2 ( "Nagpur" ) ;
  
  
  
  
    cout &lt;&lt; endl ;
  
  
    cout &lt;&lt; "String s1: " ;
  
  
    s1.show( ) ;
  
  
    cout &lt;&lt; "\\nLength of string s1: " &lt;&lt; s1.xstrlen( ) &lt;&lt; endl ;
  
  
  
  
    cout &lt;&lt; "\\nString s2: " ;
  
  
    s2.show( ) ;
  
  
  
  
    string s3 ;
  
  
    string :: xstrcpy ( s3, s1 ) ;
  
  
    cout &lt;&lt; "\\nString s3 after copying s1 to it: " ;
  
  
    s3.show( ) ;
  
  
  
  
    string :: xstrcat ( s3, s2 ) ;
  
  
    cout &lt;&lt; "\\nString s3 after concatenation: " ;
  
  
    s3.show( ) ;
  
  
  
  
    if ( string :: xstrcmp ( s1, s2 ) \=\= 0 )
  
  
        cout &lt;&lt; "\\nThe strings s1 and s2 are similar" &lt;&lt; endl ;
  
  
    else
  
  
        cout &lt;&lt; "\\nThe strings s1 and s2 are not similar" &lt;&lt; endl ;
  
  
        getch();
  
  
}