int ch ; -,T!/E
ch=getche() ; W=w]`'
if((ch>='a') && (ch<='z')) saQs<1
printf("%c is a lowercase letter\n" ,ch); _$5DK%M}
else if ((ch>='A') && (ch<='Z')) YG8V\4
SQ
print(" %c is a uppercase letter\n" ,ch); I`rN+c:
else if((ch>'0')&&(ch<'9') \Cj3jg
printf(" %c is a number character between 0 and 9\n" ,ch) ; )lJAMZ 5xp
else c%^B
'
printf("%c is...") \k`9s
q
}r,xx{.u7
外面再加个循环就行了