2  * tc.who.c: Watch logins and logouts...
137 struct who {  struct
138     struct who *who_next;  argument
139     struct who *who_prev;  argument
150 static struct who whohead, whotail;
154 static	void	debugwholist	(struct who *, struct who *);
156 static	void	print_who	(struct who *);
205     struct who *wp, *wpnew;
383 	    wpnew->who_next = wp;	/* link in a new 'who' */
457 debugwholist(struct who *new, struct who *wp)
459     struct who *a;
491 print_who(struct who *wp)
516     struct who *wp = ptr;
603     struct who *wp;
630     struct who *wp;