What does this program do? \0 terminated string - C++ Data Type

C++ examples for Data Type:char array

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Description

What does this program do? \0 terminated string

Demo Code

#include <iostream> 
using namespace std; 

void mystery1( char *, const char * ); // prototype 

int main()  { /*from  ww  w .j  a v a2  s  .c  o m*/
    char string1[ 80 ]; 
    char string2[ 80 ]; 

    cout << "Enter two strings: "; 
    cin >> string1 >> string2; 
    mystery1( string1, string2 ); 
    cout << string1 << endl; 
}

void mystery1( char *s1, const char *s2 ) 
{ 
    while ( *s1 != '\0' ) 
        ++s1; 

    for ( ; *s1 = *s2; ++s1, ++s2 ) 
        ; // empty statement 
}

Result


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