int ch ; 0T9.M(
ch=getche() ; L!y"d!6C
if((ch>='a') && (ch<='z')) "dtlME{Bx
printf("%c is a lowercase letter\n" ,ch); fRNP#pi0u
else if ((ch>='A') && (ch<='Z')) 0Oap39
print(" %c is a uppercase letter\n" ,ch); 6tm\L
else if((ch>'0')&&(ch<'9') O{q&]~,
printf(" %c is a number character between 0 and 9\n" ,ch) ; vRr9%zx
else V3uXan_
printf("%c is...") B^q<2S;
Z@M6!;y#
外面再加个循环就行了