int ch ; (0/)vZc
ch=getche() ; -U/m
if((ch>='a') && (ch<='z')) PgY q=|]`
printf("%c is a lowercase letter\n" ,ch); I%<,JRAV
else if ((ch>='A') && (ch<='Z')) L_WVTz?`
print(" %c is a uppercase letter\n" ,ch); G[=8Ko0U+n
else if((ch>'0')&&(ch<'9') nQW`X=Ku
printf(" %c is a number character between 0 and 9\n" ,ch) ; M&5;Qeoiv
else y8.(filNB
printf("%c is...") ,awp)@VG7
CH/*MA
外面再加个循环就行了