), uintptr(_p0), uintptr(len(dest)))  sz = int(r0)  if e0 != 0 {   err = errnoErr(e0)  }  return }  // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT  func Flock(fd int, how int) (err error) {  _, _, e0 := Syscall(SYS_FLOCK, uintptr(fd), uintptr(how), 0)  if e0 != 0 {   err = errnoErr(e0)  }  return }  // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT  func F