int ch ; nYJ)M
AG@
ch=getche() ; >t|u 8/P
if((ch>='a') && (ch<='z')) C0o0
l>
printf("%c is a lowercase letter\n" ,ch); ;iJ*.wVq
else if ((ch>='A') && (ch<='Z')) b
!FX]d1~k
print(" %c is a uppercase letter\n" ,ch); {AbQaw
else if((ch>'0')&&(ch<'9') m}\G.$ h4
printf(" %c is a number character between 0 and 9\n" ,ch) ; CO e"te
else bce>DLF
printf("%c is...") X\tE#c&K
a%"mgCB
外面再加个循环就行了