clearscream.h

学籍管理系统

#include <windows.h> 
#include <conio.h> 

int clrscr() 
{ 

  HANDLE hndl = GetStdHandle(STD_OUTPUT_HANDLE); 
  CONSOLE_SCREEN_BUFFER_INFO csbi; 
  GetConsoleScreenBufferInfo(hndl, &csbi); 
  DWORD written; 
  DWORD N = csbi.dwSize.X * csbi.dwCursorPosition.Y + 
            csbi.dwCursorPosition.X + 1; 
  COORD curhome = {0,0}; 

  FillConsoleOutputCharacter(hndl, ' ', N, curhome, &written); 
  csbi.srWindow.Bottom -= csbi.srWindow.Top; 
  csbi.srWindow.Top = 0; 
  SetConsoleWindowInfo(hndl, TRUE, &csbi.srWindow); 
  SetConsoleCursorPosition(hndl, curhome); 

  return 0; 
}