Function uapi::recvmsg

pub fn recvmsg<'b, 'c, D: MaybeUninitIovecMut + ?Sized, C: Pod + ?Sized, T: SockAddr + ?Sized>(
    sockfd: c_int, 
    msghdr: &mut MsghdrMut<'b, 'c, '_, D, C, T>, 
    flags: c_int
) -> Result<(InitializedIovec<'b>, usize, &'c [u8])>

recvmsg(2)

Returns the message, the size of the address, and the control message.