// size CTL_MAXNAME+2 but use only CTL_MAXNAME
	// as the size. I don't know why the +2 is here, but the
	// kernel uses +2 for its own implementation of this function.
	// I am scared that if we don't include the +2 here, the kernel
	// will silently write 2 words farther than we specify
	// and we'll get memory corruption.
	var buf [CTL_MAXNAME + 2]_C_int
	n := uintptr(CTL_MAXNAME) * siz

	// size CTL_MAXNAME+2 but use only CTL_MAXNAME
	// as the size. I don't know why the +2 is here, but the
	// kernel uses +2 for its own implementation of this function.
	// I am scared that if we don't include the +2 here, the kernel
	// will silently write 2 words farther than we specify
	// and we'll get memory corruption.
	var buf [CTL_MAXNAME + 2]_C_int
	n := uintptr(CTL_MAXNAME) * siz

#include <sys/cpuset.h>
#include <sys/param.h>
#include <sys/vdso.h>
*/
import "C"

// Local consts.
const (
	_NBBY            = C.NBBY            // Number of bits in a byte.
	_CTL_MAXNAME     = C.CTL_MAXNAME     // Largest number of components supported.
	_CPU_LEVEL_WHICH = C.CPU_LEVEL_WHICH // Actual mask/id for which.
	_CPU_WHICH_PID   = C.CPU_WHICH_PID   // Specifies a process id.
)

const (
	EINTR     = C.EINTR