int ch ; ^l,Jbt
ch=getche() ; ^-_!:7TH]
if((ch>='a') && (ch<='z')) E
\RU[
printf("%c is a lowercase letter\n" ,ch); <]nI)W(
else if ((ch>='A') && (ch<='Z')) 2srz) xEe
print(" %c is a uppercase letter\n" ,ch); b4wJnmC8
else if((ch>'0')&&(ch<'9') =`U[{3A_
printf(" %c is a number character between 0 and 9\n" ,ch) ; Cu]X&l
else n'H\*9t
printf("%c is...") L%"Mp(gZ
o6R(BMwGa
外面再加个循环就行了