107 char nullstr[] = "";		/* null string */  variable
337 	passwd_st.pw_name = nullstr;		/* login name */  in main()
340 	passwd_st.pw_age = nullstr;		/* no aging info. */  in main()
341 	passwd_st.pw_comment = nullstr;	/* no comments */  in main()
342 	passwd_st.pw_gecos = nullstr;		/* no comments */  in main()
343 	passwd_st.pw_dir = nullstr;		/* no default directory */  in main()
344 	passwd_st.pw_shell = nullstr;		/* no default shell */  in main()
346 	shadow_st.sp_namp = nullstr;	/* no name */  in main()
356 	userattr_st.name = nullstr;  in main()
357 	userattr_st.qualifier = nullstr;  in main()
358 	userattr_st.res1 = nullstr;  in main()
359 	userattr_st.res2 = nullstr;  in main()