peek()

peek()是現代詞，是一個專有名詞，指的是數學術語。

名稱

函式名: peek
功能: 檢查存儲單元
用法: int peek(int segment, unsigned offset);

程式例

#include <stdio.h>
#include <conio.h>
#include <dos.h>
int main(void)
{
int value = 0;
printf("The current status of your keyboard is:\n");
value = peek(0x0040, 0x0017);
if (value & 1)
printf("Right shift on\n");
else
printf("Right shift off\n");
if (value & 2)
printf("Left shift on\n");
else
printf("Left shift off\n");
if (value & 4)
printf("Control key on\n");
else
printf("Control key off\n");
if (value & 8)
printf("Alt key on\n");
else
printf("Alt key off\n");
if (value & 16)
printf("Scroll lock on\n");
else
printf("Scroll lock off\n");
if (value & 32)
printf("Num lock on\n");
else
printf("Num lock off\n");
if (value & 64)
printf("Caps lock on\n");
else
printf("Caps lock off\n");
return 0;
}