pr06005.cpp

来自「c++编程宝典源码及Quincy99编译器 是《标准C++编程宝典》电子工业出」· C++ 代码 · 共 43 行

////////////////////////////////////////
// File Name: pr06005.cpp
////////////////////////////////////////
#include <iostream>

// A character array.
char msg[] = "Now is the time\n";

////////////////////////////////////////
// The main() function.
////////////////////////////////////////
int main()
{
    char* cp;    // A pointer to char.
    int i;       // An integer subscript

    // Pointer access, pointer notation.
    for (cp = msg; *cp; cp++)
        std::cout << *cp;

    // Subscript access, subscript notation.
    for (i = 0; msg[i]; i++)
        std::cout << msg[i];

    // Pointer access, subscript notation.
    for (cp = msg; cp[0]; cp++)
        std::cout << cp[0];

    // Subscript access, pointer notation.
    for (i = 0; *(msg+i); i++)
        std::cout << *(msg+i);

    // Pointer and subscript access, pointer notation.
    for (i = 0, cp = msg; *(cp+i); i++)
        std::cout << *(cp+i);

    // Pointer and subscript access, subscript notation.
    for (i = 0, cp = msg; cp[i]; i++)
        std::cout << cp[i];

    return 0;
}