int ch ; R}F0_.
ch=getche() ; ` bd
if((ch>='a') && (ch<='z')) <8MKjf
printf("%c is a lowercase letter\n" ,ch); `r+"2.z*
else if ((ch>='A') && (ch<='Z')) 27*u^N*z@
print(" %c is a uppercase letter\n" ,ch); 8~?3: IZ
else if((ch>'0')&&(ch<'9') kVs'>H@FY
printf(" %c is a number character between 0 and 9\n" ,ch) ; |p J)w
else qG7^XO Ws-
printf("%c is...") A87JPX#R?
ryzz!0l
外面再加个循环就行了