int ch ;
b~Pxgfu"
ch=getche() ; V3A>Ag+^~
if((ch>='a') && (ch<='z')) qzlMn)e
printf("%c is a lowercase letter\n" ,ch); ks%7W
-
else if ((ch>='A') && (ch<='Z')) Z(k\J|&9C
print(" %c is a uppercase letter\n" ,ch); q'Pz3/mk
else if((ch>'0')&&(ch<'9') Bpm5dT;
printf(" %c is a number character between 0 and 9\n" ,ch) ; 'f?&EsIV?
else FH`'1iVH
printf("%c is...") M$]O=2h+2
78a-3){
外面再加个循环就行了