int ch ; D,FX&{TYU
ch=getche() ; %au2kG,
if((ch>='a') && (ch<='z')) *`
}Rt
printf("%c is a lowercase letter\n" ,ch); NYS|fa
else if ((ch>='A') && (ch<='Z')) q cYF&
print(" %c is a uppercase letter\n" ,ch); m:EO}ws=
else if((ch>'0')&&(ch<'9')
WW5AD$P*
printf(" %c is a number character between 0 and 9\n" ,ch) ; bDh,r!I
else UA@(D
printf("%c is...") [kfLT::mT
!1+yb.{\
外面再加个循环就行了