int ch ; N]*!8
ch=getche() ; >H8^0n)?
if((ch>='a') && (ch<='z')) |]I#CdO
printf("%c is a lowercase letter\n" ,ch); ,d5ia4\K
else if ((ch>='A') && (ch<='Z'))
nMeS CX
print(" %c is a uppercase letter\n" ,ch); I ;l`VtD
else if((ch>'0')&&(ch<'9') fq{I$syY
printf(" %c is a number character between 0 and 9\n" ,ch) ; 2AmR(vVa"
else (Y&R0jt
printf("%c is...") UX?X]ZYVR
"1AjCHZ
外面再加个循环就行了