rdev_major()public
Returns the major part of File_Stat#rdev or nil.
File .stat("/dev/fd1").rdev_major #=> 2 File .stat("/dev/tty").rdev_major #=> 5
static VALUE
rb_stat_rdev_major(VALUE self)
{
#if defined(HAVE_STRUCT_STAT_ST_RDEV) && defined(major)
return DEVT2NUM(major(get_stat(self)->st_rdev));
#else
return Qnil;
#endif
}