int ch ; *UBukn
ch=getche() ; VRden>vKN
if((ch>='a') && (ch<='z')) CqK&J
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printf("%c is a lowercase letter\n" ,ch); Kz>bfq7
else if ((ch>='A') && (ch<='Z')) 0?c2=Y
print(" %c is a uppercase letter\n" ,ch); WOBLgM,|
else if((ch>'0')&&(ch<'9') *-Y`7=^$
printf(" %c is a number character between 0 and 9\n" ,ch) ; j#4 Iu&YJ
else 5B6twn~[
printf("%c is...") tNpBRk(}
{jdtNtw
外面再加个循环就行了