void net_login(ctype_t *client, int numarg, const char **arg);
void net_logout(ctype_t *client, int numarg, const char **arg);
void net_master(ctype_t *client, int numarg, const char **arg);
void net_username(ctype_t *client, int numarg, const char **arg);
void net_password(ctype_t *client, int numarg, const char **arg);