int ch ; t]&.'n,
ch=getche() ; 0Jv6?7]LKa
if((ch>='a') && (ch<='z')) _h1bVd-
printf("%c is a lowercase letter\n" ,ch); Sj ovL@X
else if ((ch>='A') && (ch<='Z')) @JSWqi>
print(" %c is a uppercase letter\n" ,ch); ( %7V
else if((ch>'0')&&(ch<'9') ?h `,@~6u
printf(" %c is a number character between 0 and 9\n" ,ch) ; >9w^C1"
else 0s`6d;
printf("%c is...") o*$KiD
V_
6K ?~j
外面再加个循环就行了