rb_io_fmode_oflags 4999 io.c               return rb_io_fmode_oflags(rb_io_modestr_fmode(modestr));
rb_io_fmode_oflags 5298 io.c                   oflags = rb_io_fmode_oflags(fmode);
rb_io_fmode_oflags 5624 io.c                       rb_io_fmode_oflags(fmode),
rb_io_fmode_oflags 6780 io.c           	oflags = rb_io_fmode_oflags(fptr->mode);
rb_io_fmode_oflags 7383 io.c                   int oflags = rb_io_fmode_oflags(fptr->mode);