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\r\n");
cprintf("cursor and moves all lines \
below it one line up.\r\n");
cprintf("DELLINE operates within the \
currently active text\r\n");
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;
}
