textcolor()和gotoxy()函数
本人想编写一个电话簿管理系统,但是textcolor()和gotoxy()这两个函数出问题了,不怎么会用,请各位指教一下,谢谢!
以下是菜单函数的代码:但运行出错了,,warning C4013: 'textcolor' undefined; assuming extern returning int
warning C4013: 'gotoxy' undefined; assuming extern returning int
我的头文件定义了,,是#include "conio.h" 这个吧。
void menu(){
system("cls"); //调用DOS命令清屏,与clrscr()功能相同
textcolor(13); //在文本模式中选择新的字符颜色
gotoxy(10,5); //在文本窗口中设置光标
cprintf(" The telephone-book Management Syetem \n");
gotoxy(10,8);
cprintf("************************************************Menu*****************************************************\n");
gotoxy(10,9);
cprintf(" * 1 input record 2 display record *\n");
gotoxy(10,10);
cprintf(" * 3 delete record 4 search record *\n");
gotoxy(10,11);
cprintf(" * 5 modify record 2 insert record *\n");
gotoxy(10,12);
cprintf(" * 7 sort record 8 save record *\n");
gotoxy(10,13);
cprintf(" * 0 quit system *\n");
gotoxy(10,14);
cprintf("*********************************************************************************************************\n");
//cprintf()西欧那个格式化输出至文本窗口屏幕中
}