DIV               556 time.c         		    DIV(tm_year-69,4) -
DIV               557 time.c         		    DIV(tm_year-1,100) +
DIV               558 time.c         		    DIV(tm_year+299,400))*86400;
DIV               947 vm.c               OP(DIV, DIV), (C(Fixnum), C(Float));