/*--------------------------------------------------------------
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"), 0) ;
return 0 ;
}
/*-----------------------------------------------------
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 [1024] ;
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, 0) ;
}
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 0 ;
}
#include <stdio.h>
int main()
{
int a[10];
int i;
for(i=0;i<10;i++)
{
scanf("%d",&a[i]);
//}
//for(i=0;i<10;i++)
//{
printf("%d",a[i]);
}
}
#include<stdio.h>
main(void)
{
int a,i=5,b=10;
printf("a=b值为%d\n",a=b);
printf("a==b值为%d\n",a==b);
}
int a = 2;//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