<s>[INST] appends a byte array or part of to the buffer . concode_field_sep String encoding concode_elem_sep int length concode_elem_sep byte[] buffer concode_field_sep InputStream getByteStream concode_elem_sep String getEncoding concode_elem_sep byte byteAt concode_elem_sep int length concode_elem_sep void ensureCapacity concode_elem_sep int charAt [/INST] void function ( byte [ ] arg0 , int arg1 , int arg2 ) { ensureCapacity ( length + arg2 ) ; System . arraycopy ( arg0 , arg1 , buffer , length , arg2 ) ; length += arg2 ; </s>