int ch ; \x7^ly$_
ch=getche() ;
@BmI1
if((ch>='a') && (ch<='z')) 3T= ?!|e
printf("%c is a lowercase letter\n" ,ch); zzH^xxg
else if ((ch>='A') && (ch<='Z')) m}$7d5
print(" %c is a uppercase letter\n" ,ch); lZr}F.7
else if((ch>'0')&&(ch<'9') w!eY)p<
printf(" %c is a number character between 0 and 9\n" ,ch) ; {M^BY,%*
else [KMNMg
printf("%c is...") */6lyODf
TFAd
外面再加个循环就行了