CCodes的专栏

  #include void main(void) {   printf("The letter is %c/n", A);   printf("The letter is %c/n", 65); } 

  #define IDM_EXIT           100#define IDM_TEST           200#define IDM_ABOUT          301LRESULT CALLBACK WndProc  (HWND, UINT, WPARAM, LPARAM);LRESULT CALLBACK About    (HWND, UINT, WPARAM, LPAR

  #include void change_first(int *first, int second) {    *first = second;  // Assign value of second to first }void main(void)  {   int a = 0, b = 5;   change_first(&a, b);   printf("Value of a

  #include void main(void) { #ifdef __STDC__  printf("ANSI C compliance/n"); #else  printf("Not in ANSI C mode/n"); #endif }

  #include struct Shape {  int type;  int color;  float radius;  float area;  float perimeter;};void change_structure(struct Shape *shape) {   shape->type = 0;   shape->color = 1;   shape->radius

  // Various buffer sizes#define IN_BUF_SIZE        1000#define OUT_BUF_SIZE       1000#define PLEASE_READ        1000#define PLEASE_WRITE       1000#define LINE_LEN           80#define NAME_SIZE     

  #include void main(void) {   clrscr(); } 

  #include void clrscr(int size=25) {   while(size > 0)    {      cout       size--;    } }void main(void) {   int i;   for(i=0; i      cout    cin.get();   clrscr();                  // clears

  #include void main(int argc, char *argv[]) {   printf ("The number of command line entries is %d/n", argc);  } 

  #include #include void main(void) {   float fnum[4] = {99.75, -34.4, 1776.0, 200.1};   int i;   ofstream out("numbers.asc", ios::out | ios::binary);   if(!out)    {      cout       exit (1);   

  // Program: COMMENT.C// Written by: Kris Jamsa and Lars Klander// Date written: 08-22-97// Purpose: Illustrates the use of comments in a C program.#include void main(void) {   printf ("Jamsa/

  #include void main(void) {   int a = 1, b, c, d;   switch (a) {    case 1: a = 5;            b = 6;            c = 7;            d = 8;            break;    case 2: b = 6;            c = 7;     

  #include class loc {  int longitude, latitude;  public:    loc(void) {}                //  Used to construct temporaries    loc (int lg, int lt)      {      longitude = lg;      latitude = lt;    

  #include int a = 1, b = 2, c = 3;  // Global variablesvoid conflict_a(void) {   int a = 100;   printf("a contains %d b contains %d c contains %d/n", a, b, c); }void main(void) {   conflict_a

  #include class Base { public:   void display(void) { cout };class Derived: public Base { public:   void display(void) { cout };void main(void) {   Derived my_class;   my_class.display(); }

  #include #include struct BookInfo {  char title[64];  char publisher[64];  char author[64];  float price;  int pages;};class BookStuff {  public:    BookStuff(char *title, char *publisher, char

  #include void main(void) {   char letter;   int vowel_count = 0;   int consonant_count = 0;         for (letter = A; letter      switch (letter) {       case A:       case E:       case I:

  #include #include void main(int argc, char **argv)  {    union REGS inregs, outregs;    struct SREGS segs;    char buffer[256];    unsigned source_handle, target_handle;    if (*argv[1] && *

  #include #include class array {   int *p;   int size; public:   array(int sz) {           // simple constructor      p = new int[sz];      if(!p) exit(1);      size = sz;    }   ~array() {delete [

  #include   #include "Create_Copy.h" #if defined (WIN32) #define IS_WIN32 TRUE#else #define IS_WIN32 FALSE#endif#define IS_NT      IS_WIN32 && (BOOL)(GetVersion() #define IS_WIN32S  IS_WIN32 && (

  #define IDM_EXIT           100#define IDM_TEST           200#define IDM_ABOUT          301#define IDC_CHECKBOX       101#define IDC_RADIO1         102#define IDC_RADIO2         103LRESULT CALLBA

  #define IDM_EXIT           100#define IDM_ABOUT          301LRESULT CALLBACK WndProc  (HWND, UINT, WPARAM, LPARAM);LRESULT CALLBACK About    (HWND, UINT, WPARAM, LPARAM);

  #include LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam){   switch (uMsg)   {         case WM_CREATE:  // Set current directory to value passed on command line.       

  #define IDM_EXIT           100#define IDM_TEST           200#define IDM_ABOUT          301LRESULT CALLBACK WndProc  (HWND, UINT, WPARAM, LPARAM);LRESULT CALLBACK About    (HWND, UINT, WPARAM, LPAR

  #include   #include "Crosshatch_Box.h" #if defined (WIN32) #define IS_WIN32 TRUE#else #define IS_WIN32 FALSE#endif#define IS_NT      IS_WIN32 && (BOOL)(GetVersion() #define IS_WIN32S  IS_WIN32 &

  #include #include void main(void) {   time_t current_time;   time(&current_time);  // Get the time in seconds;   printf("The current date and time: %s",      ctime(&current_time)); }

  #include void hello_world(void) {   printf("Hello, world!/n"); }void three_hellos(void) {   int counter;   for (counter = 1; counter      hello_world(); }void main(void) {   three_hellos(); 

  #include void XHandler(int test) {   try    {      if(test==0) throw test;      if(test==1) throw a;      if(test==2) throw 123.23;    }   catch(...)    {      cout     } }void main(void) {  

  #include   #include "Check_FileSize.h"#if defined (WIN32) #define IS_WIN32 TRUE#else #define IS_WIN32 FALSE#endif#define IS_NT      IS_WIN32 && (BOOL)(GetVersion() #define IS_WIN32S  IS_WIN32 &&

  #include void no_change(const char *string) {    while (*string)     *string++ = toupper(*string); } void main(void)   {    char title[] = "Jamsa/s C/C++ Programmer/s Bible";    no_change(ti

  #include void main(void) { #ifdef __cplusplus  printf("Using C++/n"); #else  printf("Using C/n"); #endif }

  #include "strings.h"#include #include //executable file extensionschar ext[3][4] = { "EXE", "COM", "BAT" };void main(int argc, char *argv[]){ Strings fname; int i; if(argc != 2) {  cout   ex

  #include #include         #include      #include #include   void main(void) {    int handle;    if ((handle = creat("100ZEROS.DAT", S_IWRITE)) == -1)   fprintf(stderr, "Error opening 100ZEROS.D

  #include class Beepers { public:   void beep(void);    void beepbeep(void);};        void Beepers::beep(void) {   asm   {    mov ah,2;    mov dl,7;    int 0x21;   }}                           void

  #include #include class BookStuff {  public:    BookStuff(char *title, char *publisher, char *author);    void show_book(void)  {   cout         author  };    operator char *();     private:    ch

  #include #include #include     // Contains the delay prototypevoid main(void) {   clock_t processor_time;   printf("Processor time consumed %ld/n",      clock() / (long) CLK_TCK);   delay(2000

  #include class base { protected:   int i; public:   base(int x)    {     i=x;     cout    }   ~base(void) {cout  };class derived : public base {   int j; public:   // derived uses x; base uses y

  /* Program: COMMENT.C   Written by: Kris Jamsa and Lars Klander   Date written: 08-22-97   Purpose: Illustrates the use of comments in a C program. */#include void main(void) {   printf ("Jams

  #include void main(void) {   FILE *input, *output;   int letter;   if ((input = fopen("//CONFIG.SYS", "r")) == NULL)     printf("Error opening //CONFIG.SYS/n");   else if ((output = fopen("//CON

  #include class c { public:  int j;   c(void) {j=10;} };void PrintInt(const c* Object) {  c* New = Object;   New->j +=5;   printf("%d/n", New->j); }void main(void) {  const c Sample;   PrintI