kbhit函數(shù)怎么用 c語言中在kbhit()函數(shù)前有g(shù)etch()函數(shù),那么只按下一個鍵,kbhit()函數(shù)可以檢測出游鍵按下嗎?
c語言中在kbhit()函數(shù)前有g(shù)etch()函數(shù),那么只按下一個鍵,kbhit()函數(shù)可以檢測出游鍵按下嗎?C語言中kbhit()函數(shù)怎么復(fù)位?函數(shù)介紹函數(shù)名:kbhit()(VC 6.0是kbhi
c語言中在kbhit()函數(shù)前有g(shù)etch()函數(shù),那么只按下一個鍵,kbhit()函數(shù)可以檢測出游鍵按下嗎?
C語言中kbhit()函數(shù)怎么復(fù)位?
函數(shù)介紹函數(shù)名:kbhit()(VC 6.0是kbhit())函數(shù)和返回值:檢查是否有鍵盤輸入,如果有,返回非零值,否則返回0。當(dāng)調(diào)用kbhit()函數(shù)進行檢測時,其狀態(tài)將自動重置。也就是說,它將重新進入檢測狀態(tài)而不保留最后的檢測結(jié)果。用法:int kbhit(void)包含頭文件:include<conio.h>程序示例的以下代碼,如果沒有鍵盤輸入,程序?qū)⑤敵鯽,直到用戶按ESC結(jié)束輸出,h變?yōu)檩敵鯞,當(dāng)?shù)诙伟碋SC時,它將結(jié)束輸出B,該程序顯示kbhit()可以自動復(fù)位和重用。#include<stdio.h>#include<conio.h>int main(void){char chlong a=0,b=0,而(1){printf(“a”)a if(kbhit()){ch=getch()if(27==ch)break}而(1){printf(“b”)b if(kbhit()){ch=getch()if(27==ch)break}printf(“nA=%ld b=%ldn”,a,b)system(“pause”)返回0}