#[repr(C)]
pub struct msqid_ds {
    pub msg_perm: ipc_perm,
    pub msg_stime: time_t,
    pub msg_rtime: time_t,
    pub msg_ctime: time_t,
    pub msg_qnum: msgqnum_t,
    pub msg_qbytes: msglen_t,
    pub msg_lspid: pid_t,
    pub msg_lrpid: pid_t,
    /* private fields */
}
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Returns the argument unchanged.
Calls U::from(self).
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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.