// clrscr.h
//
// adapted from
// Vincent Fatica
// [email protected]
// Syracuse University Mathematics
// http://barnyard.syr.edu/~vefatica/
//
// by Shannon Bauman
// August 9, 1998
//
// clear entire console screen buffer
#ifndef CLRSCR_H
#define CLRSCR_H
int clrscr();
#include "clrscr.cpp"
#endif
-----------------
// clrscr.cpp
//
// adapted from
// Vincent Fatica
// [email protected]
// Syracuse University Mathematics
// http://barnyard.syr.edu/~vefatica/
//
// by Shannon Bauman
// August 9, 1998
//
// clear entire console screen buffer
#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;
}
作用是在控制台下清屏
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