_C_struct___res_state = unix.ResState
	_C_struct_addrinfo    = unix.Addrinfo
	_C_struct_sockaddr    = syscall.RawSockaddr
)

func _C_free(p unsafe.Pointer) { runtime.KeepAlive(p) }

func _C_malloc(n uintptr) unsafe.Pointer {
	if n <= 0 {
		n = 1
	}
	return unsafe.Pointer(&make([]byte, n)[0])
}

func _C_ai_addr(ai *_C_struct_addrinfo) **_C_struct_sockaddr { return &ai.Addr }

	_C_uchar           = C.uchar
	_C_int             = C.int
	_C_uint            = C.uint
	_C_socklen_t       = C.socklen_t
	_C_struct_addrinfo = C.struct_addrinfo
	_C_struct_sockaddr = C.struct_sockaddr
)

func _C_malloc(n uintptr) unsafe.Pointer { return C.malloc(C.size_t(n)) }
func _C_free(p unsafe.Pointer)           { C.free(p) }

func _C_ai_addr(ai *_C_struct_addrinfo) **_C_struct_sockaddr { return &ai.ai_addr }

}

func cgoResSearch(hostname string, rtype, class int) ([]dnsmessage.Resource, error) {
	resStateSize := unsafe.Sizeof(_C_struct___res_state{})
	var state *_C_struct___res_state
	if resStateSize > 0 {
		mem := _C_malloc(resStateSize)
		defer _C_free(mem)
		memSlice := unsafe.Slice((*byte)(mem), resStateSize)
		clear(memSlice)
		state = (*_C_struct___res_state)(unsafe.Pointer(&memSlice[0]))
	}