Ptrace bool
	Setsid bool // Create session.
	// Setpgid sets the process group ID of the child to Pgid,
	// or, if Pgid == 0, to the new child's process ID.
	Setpgid bool
	// Setctty sets the controlling terminal of the child to
	// file descriptor Ctty. Ctty must be a descriptor number
	// in the child process: an index into ProcAttr.Files.
	// This is only meaningful if Setsid is true.
	Setctty bool

	SYS_FREEBSD6_PWRITE          = 174 // { ssize_t freebsd6_pwrite(int fd, \
	SYS_SETFIB                   = 175 // { int setfib(int fibnum); }
	SYS_NTP_ADJTIME              = 176 // { int ntp_adjtime(struct timex *tp); }
	SYS_SETGID                   = 181 // { int setgid(gid_t gid); }
	SYS_SETEGID                  = 182 // { int setegid(gid_t egid); }
	SYS_SETEUID                  = 183 // { int seteuid(uid_t euid); }

				// a given interface type if they do not get substituted.
				out = make([]*Func, len(in))
				copy(out, in)
				copied = true
			}
			newsig := *sig
			newsig.recv = substVar(sig.recv, new)
			out[i] = substFunc(method, &newsig)
		}
	}
	return

int readlink(uintptr_t, uintptr_t, size_t);
int renameat(int, uintptr_t, int, uintptr_t);
int setdomainname(uintptr_t, size_t);
int sethostname(uintptr_t, size_t);
int setpgid(int, int);
int setsid();
int settimeofday(uintptr_t);
int setuid(int);
int setgid(int);
int setpriority(int, int, int);
int statx(int, uintptr_t, int, int, uintptr_t);
int sync();
uintptr_t times(uintptr_t);
int umask(int);
int uname(uintptr_t);

				// a given interface type if they do not get substituted.
				out = make([]*Func, len(in))
				copy(out, in)
				copied = true
			}
			newsig := *sig
			newsig.recv = substVar(sig.recv, new)
			out[i] = substFunc(method, &newsig)
		}
	}
	return

}

func (r *Reloc) SetOff(x int32)   { binary.LittleEndian.PutUint32(r[:], uint32(x)) }
func (r *Reloc) SetSiz(x uint8)   { r[4] = x }
func (r *Reloc) SetType(x uint16) { binary.LittleEndian.PutUint16(r[5:], x) }
func (r *Reloc) SetAdd(x int64)   { binary.LittleEndian.PutUint64(r[7:], uint64(x)) }
func (r *Reloc) SetSym(x SymRef) {
	binary.LittleEndian.PutUint32(r[15:], x.PkgIdx)
	binary.LittleEndian.PutUint32(r[19:], x.SymIdx)
}

		}
	}
}

func testDeferPtrsGoexit(c chan int, i int) {
	var y int
	defer func() {
		c <- y
	}()
	defer setBig(&y, 42, bigBuf{})
	useStackAndCall(i, Goexit)
}

func setBig(p *int, x int, b bigBuf) {
	*p = x
}

// TestDeferPtrsPanic is like TestDeferPtrsGoexit, but it's using panic instead

//sys	Setdomainname(p []byte) (err error)
//sys	Sethostname(p []byte) (err error)
//sysnb	Setpgid(pid int, pgid int) (err error)
//sysnb	Setsid() (pid int, err error)
//sysnb	Settimeofday(tv *Timeval) (err error)

//sys	Setuid(uid int) (err error)
//sys	Setgid(uid int) (err error)

//sys	Setpriority(which int, who int, prio int) (err error)

//sysnb	Setreuid(ruid int, euid int) (err error)
//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
//sysnb	Setsid() (pid int, err error)
//sysnb	Settimeofday(tp *Timeval) (err error)
//sysnb	Setuid(uid int) (err error)
//sys	Statfs(path string, stat *Statfs_t) (err error)
//sys	Symlink(path string, link string) (err error)

	SYS_FREEBSD6_PWRITE          = 174 // { ssize_t freebsd6_pwrite(int fd, \
	SYS_SETFIB                   = 175 // { int setfib(int fibnum); }
	SYS_NTP_ADJTIME              = 176 // { int ntp_adjtime(struct timex *tp); }
	SYS_SETGID                   = 181 // { int setgid(gid_t gid); }
	SYS_SETEGID                  = 182 // { int setegid(gid_t egid); }
	SYS_SETEUID                  = 183 // { int seteuid(uid_t euid); }