C语言函数大全(d开头)2010-01-29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 */ #include int 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:#include int main(void) { clrscr(); cprintf("The function DELLINE deletes the line containing the
"); cprintf("cursor and moves all lines below it one line up.
"); cprintf("DELLINE operates within the currently active text
"); cprintf("window. Press any key to continue . . ."); gotoxy(1,2); /* Move the cursor to the second line and first column */ getch(); delline(); getch(); return 0; }