echo.cpp

// Copyright (c) 2021. Lorem ipsum dolor sit amet, consectetur adipiscing elit.
// Morbi non lorem porttitor neque feugiat blandit. Ut vitae ipsum eget quam lacinia accumsan.
// Etiam sed turpis ac ipsum condimentum fringilla. Maecenas magna.
// Proin dapibus sapien vel ante. Aliquam erat volutpat. Pellentesque sagittis ligula eget metus.
// Vestibulum commodo. Ut rhoncus gravida arcu.

//#include <iostream>
#include <stdio.h>

int  main() {
    
//    using namespace std;
//
//    int carrots; // declare an integer variable
//
//    // carrots = 25;
//    cout << "How many carrots do you have?" << endl;
//
//    cin >> carrots;
//    cout << "Here are tow more.";
//    carrots = carrots + 2;
//    cout << "I have ";
//    cout << carrots;
//    cout << " carrots.";
//    cout << endl;
//    carrots = carrots - 1;
//    cout << "Crunch, crunch. Now I have " << carrots << " crrots." << endl;
//
//    int a = 65;
//    int addr;
//    const double pi = 3.14;
//    double *ptr = &pi;
//    const double *cptr = &pi;
//    double dval = 3.14;
//    cptr = &dval;
//    addr = 0x0012ff7c;
//    printf("0x%p, 0x%p, 0x%p\n", &a, addr, (int*)addr);
//    printf("%d,%d,%d\n", a, *&a, *(int *)addr); // 65 65 0x0012ff7c

//    typedef char *pstring;
 //   const pstring cstr = 0;
  //  const pstring *ps;
   // printf("-------\n");
   //  printf( "cstr: %c\n", *cstr);
    printf("sizeof(unsigned char) = %lu",sizeof(unsigned char));
}