V7/usr/include/pwd.h

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struct	passwd { /* see getpwent(3) */
	char	*pw_name;
	char	*pw_passwd;
	int	pw_uid;
	int	pw_gid;
	int	pw_quota;
	char	*pw_comment;
	char	*pw_gecos;
	char	*pw_dir;
	char	*pw_shell;
};