int ch ; jzU.B u.
ch=getche() ; Y*mbjyt[?X
if((ch>='a') && (ch<='z')) (sVi\R
printf("%c is a lowercase letter\n" ,ch); 2]% h$f+
else if ((ch>='A') && (ch<='Z')) gZ5[
C
print(" %c is a uppercase letter\n" ,ch); Mq';S^
else if((ch>'0')&&(ch<'9') [+qCs7'
printf(" %c is a number character between 0 and 9\n" ,ch) ; d)~Fmi;
else 7GDHz.IX
printf("%c is...") CI3XzH\IX*
B"%{i-v>**
外面再加个循环就行了