mul                25 ext/date/date_strftime.c #define mul(x,y) (rb_funcall((x), '*', 1, (y)))
mul               330 ext/socket/ancdata.c #define mul(x,y) (rb_funcall((x), '*', 1, (y)))
mul               153 strftime.c     #define mul(x,y) (rb_funcall((x), '*', 1, (y)))
mul                96 time.c         mul(VALUE x, VALUE y)