int ch ; cd] X5)$h
ch=getche() ; @%!Gj{
if((ch>='a') && (ch<='z')) 3935cxT1U
printf("%c is a lowercase letter\n" ,ch); aT8A+=K6
else if ((ch>='A') && (ch<='Z')) 06I(01M1
print(" %c is a uppercase letter\n" ,ch); X/H2c"!t
else if((ch>'0')&&(ch<'9') )2J#pz?.
printf(" %c is a number character between 0 and 9\n" ,ch) ; g_?bWm4br
else ,irc=0M(
printf("%c is...") lM.k*`$
Kir|in)r0
外面再加个循环就行了