#[repr(C)]
pub struct in6_ifreq {
    pub ifr6_addr: in6_addr,
    pub ifr6_prefixlen: u32,
    pub ifr6_ifindex: c_int,
}
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Returns the argument unchanged.
Calls U::from(self).
That is, this conversion is whatever the implementation of
From<T> for U chooses to do.
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.