box(1,1,79,24);
textcolor(YELLOW);
gotoxy(2,2);
printf("%cDiretories:",249); /*给出提示信息*/
gotoxy(3,3);
printf("%cThis is a program for polynomial operating.",250);
gotoxy(3,4);
printf("%cfor example , you can input '2 3 -3.2 2 1.3 5 Enter' for the polynomial:",250);
gotoxy(3,5);
printf(" '1.3x<5>+2x<3>-3.2x<2>'.");
gotoxy(1,6);
printf("%c",199);
for(j=1;j<78;j++)
printf("%c",0xc4);
printf("%c",182);
gotoxy(1,22);
printf("%c",199);
for(j=1;j<78;j++)
printf("%c",0xc4);
printf("%c",182);
}
void setsur() /*作初始画面*/
{
void box(int startx, int starty, int width, int high); /*画一个双矩形线框*/