int ch ; RiPxz=kr
ch=getche() ; Ddr.kXIpo
if((ch>='a') && (ch<='z')) wIbxnn
printf("%c is a lowercase letter\n" ,ch); a^ __Z3g,
else if ((ch>='A') && (ch<='Z')) ?m(]@6qa
print(" %c is a uppercase letter\n" ,ch); }^@Q9<P^E
else if((ch>'0')&&(ch<'9') K|{IX^3)V
printf(" %c is a number character between 0 and 9\n" ,ch) ; YXi'^GU@
else VPh0{(O^=
printf("%c is...") dx&!RK+
Biva{'[m
外面再加个循环就行了