Program to illustrates strtok( ) functions

#include <iostream.h>
#include <conio.h>
#include <string.h>
void main ( )
               {
        char source [] = "Hello, Have a Nice Day" ;
        char *p;
        cout<< "\n Source String is : "<<source  ;

        /* strtok( ) places a NULL terminator
        in front of the token, if found */
        p = strtok ( source, "," ) ;
        if ( p )
            cout<< "\n First Token :  "<<p;

        /* A second call to strtok( )  using a NULL
        as the first parameter returns a pointer
        to the character following the token  */
        p = strtok ( NULL, " " ) ;
        if ( p )
            cout<< "\n Second Token :  "<<p;

        /* Similarly other tokens can be obtained */
        p = strtok ( NULL, " " ) ;
        if ( p )
            cout<< "\n Third Token : "<<p;

        getch ( ) ;
    }