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