int ch ; !A-;NGxE
ch=getche() ; m# ad6
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if((ch>='a') && (ch<='z')) A~y VYC6l
printf("%c is a lowercase letter\n" ,ch); mTd<2Hy
else if ((ch>='A') && (ch<='Z')) elKx]%k*)
print(" %c is a uppercase letter\n" ,ch); y9
uVCR
else if((ch>'0')&&(ch<'9') i7v/A&Rc
printf(" %c is a number character between 0 and 9\n" ,ch) ; Z[;#|$J
else *PcVSEP/0
printf("%c is...") @,6ST0xT (
=YoTyq\
外面再加个循环就行了