int ch ; )SMS<J
ch=getche() ; @aU%1h5W;l
if((ch>='a') && (ch<='z')) )&"l3*x
printf("%c is a lowercase letter\n" ,ch); Ds4n>V,o
else if ((ch>='A') && (ch<='Z')) :"9 :J
print(" %c is a uppercase letter\n" ,ch); HL;y5o?
else if((ch>'0')&&(ch<'9') S{7*uK3$
printf(" %c is a number character between 0 and 9\n" ,ch) ; ]VifDFL}
else }|rnyYA
printf("%c is...")
&D
"$N"
@'.(62v
外面再加个循环就行了