win

/*--------------------------------------------------------------
   HelloMsg.c -- Displays "Hello, Windows 98!" in a message box
                 (c) Charles Petzold, 1998
  --------------------------------------------------------------*/

#include <windows.h>

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    PSTR szCmdLine, int iCmdShow)
{
     MessageBox (NULL, TEXT ("Hello, Windows 98!"), TEXT ("HelloMsg"), ) ;

     return  ;
}

/*-----------------------------------------------------
   SCRNSIZE.C -- Displays screen size in a message box
                 (c) Charles Petzold, 1998
  -----------------------------------------------------*/

#include <windows.h>
#include <tchar.h>
#include <stdio.h>     

int CDECL MessageBoxPrintf (TCHAR * szCaption, TCHAR * szFormat, ...)
{
     TCHAR   szBuffer [] ;
     va_list pArgList ;

          // The va_start macro (defined in STDARG.H) is usually equivalent to:
          // pArgList = (char *) &szFormat + sizeof (szFormat) ;

     va_start (pArgList, szFormat) ;

          // The last argument to wvsprintf points to the arguments

     _vsntprintf (szBuffer, sizeof (szBuffer) / sizeof (TCHAR),
                  szFormat, pArgList) ;

          // The va_end macro just zeroes out pArgList for no good reason

     va_end (pArgList) ;

     return MessageBox (NULL, szBuffer, szCaption, ) ;
}

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    PSTR szCmdLine, int iCmdShow)
{
     int cxScreen, cyScreen ;

     cxScreen = GetSystemMetrics (SM_CXSCREEN) ;
     cyScreen = GetSystemMetrics (SM_CYSCREEN) ;

     MessageBoxPrintf (TEXT ("ScrnSize"),
                       TEXT ("The screen is %i pixels wide by %i pixels high."),
                       cxScreen, cyScreen) ;
     return  ;
}

#include <stdio.h>
int main()
{
int a[];
int i;
for(i=;i<;i++)
{
    scanf("%d",&a[i]);
//}
//for(i=0;i<10;i++)
//{
    printf("%d",a[i]);
}

}

#include<stdio.h>
main(void)
{
    int a,i=,b=;

    printf("a=b值为%d\n",a=b);
    printf("a==b值为%d\n",a==b);
}
int a = ;//给a赋值2
int b = a;//给b赋值a，等效于：给b赋值2

if(a==b){//判断a是否等于b
  printf("a等于b");
}else{
  printf("a不等于b");
}

“=”，和“==”理解不