libc 0.2.84

Raw FFI bindings to platform libraries like libc.
Documentation 
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s! {
    pub struct shmid_ds {
        pub shm_perm: ::ipc_perm,
        pub shm_segsz: ::size_t,
        pub shm_amp: *mut ::c_void,
        pub shm_lkcnt: ::c_ushort,
        pub shm_lpid: ::pid_t,
        pub shm_cpid: ::pid_t,
        pub shm_nattch: ::shmatt_t,
        pub shm_cnattch: ::c_ulong,
        pub shm_atime: ::time_t,
        pub shm_dtime: ::time_t,
        pub shm_ctime: ::time_t,
        pub shm_pad4: [i64; 4],
    }
}

pub const AF_LOCAL: ::c_int = 1; // AF_UNIX
pub const AF_FILE: ::c_int = 1; // AF_UNIX

pub const EFD_SEMAPHORE: ::c_int = 0x1;
pub const EFD_NONBLOCK: ::c_int = 0x800;
pub const EFD_CLOEXEC: ::c_int = 0x80000;

pub const TCP_KEEPIDLE: ::c_int = 34;
pub const TCP_KEEPCNT: ::c_int = 35;
pub const TCP_KEEPINTVL: ::c_int = 36;
pub const TCP_CONGESTION: ::c_int = 37;

extern "C" {
    pub fn eventfd(init: ::c_uint, flags: ::c_int) -> ::c_int;

    pub fn mincore(
        addr: ::caddr_t,
        len: ::size_t,
        vec: *mut ::c_char,
    ) -> ::c_int;
}