关于getc的问题

Question

getc获取字符失败了，返回值为-1，求解

Answer 1

MIEGWYTCLVXFOQMCYGWEAKWLAWSBKMOSOESUKNPYOJMWFHWMVXMOKNIRGCLHQYOXTCZIETWENCYIXKNCEAIKAVYBYAWYHWSZVEURAVYOWZVXSODLHXZVWSBEIEZVLUWYOXZIAVEHJZIRNWLXGIYUQTVXUWJRTDMZCEADZXFHXTIYUJMPXFOKTHQSUXTNWLHXGHJFBXGCYHWMIKROQZHQGVYHJFODBKSACLHQFIRNJDZIRGPYOQOJZIKGPFHQGBETHCLBKFVRBXZIRGOXMPLJETOXMWYHEANWLAWEZCXHJDFUQMPRTPSITAJFOKGVXAPPYUXSVRGVYULUDSOXGJLODOKGUWMVRNQYJFUKNWMBXAWRNCYZIRACLUKTCYUDSBKNCSAQZBEZIEAWHQLBDTBQECRKGIFNKMCERZDGCMOYUXNQZAPXNQFOQMCMTIEUURTPLBKCWFVXTOXTPSRLNWZIXGBYAPLAJMVDZBYOQLURMVLNQSCZBQZVYAQFVQHOWGIRACLUQLNPMBWYBDHDQMBXNCENQTCJFUXGWZPYBDXAISBDNJMJSHDMCEAKTISNBDEGDGVYOKGKZOSUDTNDAJQGOSUKTCYURUXFVEAPYNJLPFSLSIBHNRDJSHKYGPFAJMIXSHWFOXZWRIYGJKGIRNJFNCKUQZOQZVDCSPLHKZPRHCPYNDZIQZCLIMHDNJZBKHQZRUWMCYOQEBXFVDTDZIKTQYADMPRHQSPSHQSBKGCETPSGMPIFOKNTGXYGWYTPYUBEGWGVKGWEGPYOKJENWTADFUXZSIDACQYNQMPYUKAJMPQZCFDGISBENDMOYNJLHEZWYUEUVXTCEGPMVFHFVXTCYIYODTYHDAISORAWZPLHOXNJLUWM

Answer 2

读取完毕了 -1其实就是EOF (end of file)