功 能: 在文本窗口中插入一个空行 用 法: void insline(void); 程序例: #include int main(void) { clrscr(); cprintf("INSLINE inserts an empty line in the text window\r\n"); cprintf("at the cursor position using the current text\r\n"); cprintf("background color. All lines below the empty one\r\n"); cprintf("move down one line and the bottom line scrolls\r\n"); cprintf("off the bottom of the window.\r\n"); cprintf("\r\nPress any key to continue:"); gotoxy(1, 3); getch(); insline(); getch(); return 0; }