int ch ; R
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ch=getche() ; cRnDAn#42
if((ch>='a') && (ch<='z')) .pUB.l$)
printf("%c is a lowercase letter\n" ,ch); NlEyT9
else if ((ch>='A') && (ch<='Z')) Qjj }k)
print(" %c is a uppercase letter\n" ,ch); Df4O~j$U"s
else if((ch>'0')&&(ch<'9') o7!A(Eu
printf(" %c is a number character between 0 and 9\n" ,ch) ; m|
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else |KYl'"5\
printf("%c is...") SF:98#pg
}) -V,\
外面再加个循环就行了