rdev()
public
Returns an integer representing the device type on which stat
resides. Returns nil if the operating system doesn’t support this
feature.
File.stat("/dev/fd1").rdev
File.stat("/dev/tty").rdev
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static VALUE
rb_stat_rdev(VALUE self)
{
return DEVT2NUM(get_stat(self)->st_rdev);
return Qnil;
}