strncat(chtime;ch1;len…1);
gotoxy(13;7);printf(〃 〃);}
gotoxy(13;7);printf(〃%s〃;chtime);ch'0'=getch();
if(ch'0'9)
goto mm;
if(ch'0'27)
exit(1);
}
gotoxy(3;24);printf(〃 〃);
gotoxy(13;10);
j=0;
ch'0'=getch();
while(ch'0'!='r')
{ if (j