int ch ; FG5t\!dt<
ch=getche() ; i9k/X&V
if((ch>='a') && (ch<='z')) fRd^@@,[
printf("%c is a lowercase letter\n" ,ch); tsu Mt
else if ((ch>='A') && (ch<='Z')) E14Dq#L
print(" %c is a uppercase letter\n" ,ch); 8_F 5c@7
else if((ch>'0')&&(ch<'9') ?)B\0` %*'
printf(" %c is a number character between 0 and 9\n" ,ch) ; >~k"C,6
else (lVHKg&U[
printf("%c is...") o@KK/f
weky
5(:
外面再加个循环就行了