question: reads new input data into the buffer . call only with pos == end or end == -1 , depending on the desired outcome if the function throws . concode_field_sep Charset charset concode_elem_sep byte[] buf concode_elem_sep InputStream in concode_elem_sep int pos concode_elem_sep byte LF concode_elem_sep byte CR concode_elem_sep int end concode_field_sep boolean hasUnterminatedLine concode_elem_sep String readLine concode_elem_sep void close
target: void function ( ) { int loc0 = in . read ( buf , 0 , buf . length ) ; if ( loc0 == - 1 ) { throw new EOFException ( ) ; } pos = 0 ; end = loc0 ; }