int ch ; ?XVE{N
ch=getche() ; ,O.iOT0=;
if((ch>='a') && (ch<='z')) > Q=e9L=
printf("%c is a lowercase letter\n" ,ch); u=@zYA(
else if ((ch>='A') && (ch<='Z')) ]2"UR_x
print(" %c is a uppercase letter\n" ,ch); #QlxEs#%
else if((ch>'0')&&(ch<'9') 6E_~8oEl
printf(" %c is a number character between 0 and 9\n" ,ch) ; ]+pE1-p\
else R7:u 8-dU1
printf("%c is...") 8yI4=P"F,
}@$CS5w
外面再加个循环就行了