text: 
  #include "../smtp/smtp.h"
  #include "../smtp/y.tab.h"
  
  typedef struct Addr Addr;
  struct Addr
  {
  	char *addr;
  	Addr *next;
  };
  
  String *from;
  String *sender;
  Field *firstfield;
  int na;
  Addr *al;
  
  extern String*	getaddr(Node *p);
  extern void	getaddrs(void);
  extern void	writeaddr(char *file, char *addr, int, char *);
  extern void	remaddr(char *addr);
  extern int	addaddr(char *addr);
  extern void	readaddrs(char *file);
  extern int	startmailer(char *name);
  extern void	sendnotification(char *addr, char *listname, int rem);
  