功 能: 在文本窗口中插入一个空行

用 法: void insline(void);

程序例:

#include <conio.h>

int main(void)

{

clrscr();

cprintf("INSLINE inserts an empty line in the text window\\r\");

cprintf("at the cursor position using the current text\\r\");

cprintf("background color. All lines below the empty one\\r\");

cprintf("move down one line and the bottom line scrolls\\r\");

cprintf("off the bottom of the window.\\r\");

cprintf("\\r\Press any key to continue:");

gotoxy(1, 3);

getch();

insline();

getch();

return 0;

}