impl io io io InputStream io ucsreader default_buffer_size ucs2le ucs2be ucs4le ucs4be inputstream finputstream fbuffer fencoding ucsreader inputstream inputstream encoding inputstream default_buffer_size encoding ucsreader inputstream inputstream encoding inputstream encoding ucsreader inputstream inputstream buffer encoding finputstream inputstream fbuffer buffer fencoding encoding read b0 finputstream.read b0 b1 finputstream.read b1 fencoding b2 finputstream.read b2 b3 finputstream.read b3 fencoding ucs4be b0 b1 b2 b3 b3 b2 b1 b0 fencoding ucs2be b0 b1 b1 b0 read ch offset length bytelength length fencoding bytelength fbuffer.length bytelength fbuffer.length count finputstream.read fbuffer bytelength count fencoding numtoread count numtoread charread finputstream.read charread numtoread fbuffer count fbuffer count charread count numtoread numtoread count numtoread count charread finputstream.read charread fbuffer count fbuffer count charread numchars count fencoding curpos numchars b0 fbuffer curpos b1 fbuffer curpos fencoding b2 fbuffer curpos b3 fbuffer curpos fencoding ucs4be ch offset b0 b1 b2 b3 ch offset b3 b2 b1 b0 fencoding ucs2be ch offset b0 b1 ch offset b1 b0 numchars skip charwidth fencoding bytesskipped finputstream.skip charwidth bytesskipped charwidth bytesskipped charwidth bytesskipped charwidth ready marksupported finputstream.marksupported mark readaheadlimit finputstream.mark readaheadlimit reset finputstream.reset close finputstream.close