src/bsdlike.rs

extern {
    pub fn sysctlbyname(name: *const ::c_char,
                        oldp: *mut ::c_void,
                        oldlenp: *mut ::size_t,
                        newp: *mut ::c_void,
                        newlen: ::size_t)
                        -> ::c_int;
    pub fn sysctlnametomib(name: *const ::c_char,
                           mibp: *mut ::c_int,
                           sizep: *mut ::size_t)
                           -> ::c_int;
}