-void md5_signature(const unsigned char *key, unsigned int length, char *result);
-memcached_return memcached_connect(memcached_st *ptr);
+typedef enum {
+ MEM_NO_BLOCK= (1 << 0),
+ MEM_TCP_NODELAY= (1 << 1),
+ MEM_REUSE_MEMORY= (1 << 2),
+ MEM_USE_MD5= (1 << 3),
+ MEM_USE_KETAMA= (1 << 4),
+} memcached_flags;
+
+void md5_signature(unsigned char *key, unsigned int length, unsigned char *result);
+memcached_return memcached_connect(memcached_st *ptr, unsigned int server_key);