question: gets an unsigned 1-byte value . concode_field_sep PlaceHolder placeHolder concode_field_sep int beS4 concode_elem_sep int beS2 concode_elem_sep int beU2 concode_elem_sep int beS1
target: int function ( byte [ ] arg0 , int arg1 ) { return arg0 [ arg1 ] & 0xff ; }