C语言函数大全(d开头)函数名: delay功能: 将程序的执行暂停一段时间(毫秒)用法: void delay(unsigned milliseconds);程序例:/* Emits a 440-Hz tone for 500 milliseconds */#includeint main(void)sound(440);delay(500);nosound();return 0;函数名: delline功能: 在文本窗口中删去一行用法: void delline(void);程序例:#includeint main(void)clrscr();cprintf(The function DELLINE deletes the line containing thern);cprintf(cursor and moves all lines below it one line up.rn);cprintf(DELLINE operates within t