int ch ; CHgip&(.F
ch=getche() ; l2
.S^S
if((ch>='a') && (ch<='z')) | v!N1+v0
printf("%c is a lowercase letter\n" ,ch); p D<w@2K
else if ((ch>='A') && (ch<='Z')) p@tg pFt
print(" %c is a uppercase letter\n" ,ch); *[si!e%
else if((ch>'0')&&(ch<'9') hYJzF.DW<$
printf(" %c is a number character between 0 and 9\n" ,ch) ; u$T]A8e
else U=n7RPw
printf("%c is...") <,} h8;Fr
xC`!uPk/pL
外面再加个循环就行了