#ifndef _SOCKMISC_H
#define _SOCKMISC_H
struct netaddr {
union {
struct sockaddr sa;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
} sa;
unsigned long prefix;
};
extern const int niflags;
extern int cmpsaddrwop __P((const struct sockaddr *, const struct sockaddr *));
extern int cmpsaddrwild __P((const struct sockaddr *, const struct sockaddr *));
extern int cmpsaddrstrict __P((const struct sockaddr *, const struct sockaddr *));
#ifdef ENABLE_NATT
#define CMPSADDR(saddr1, saddr2) cmpsaddrstrict((saddr1), (saddr2))
#define CMPSADDR2(saddr1, saddr2) cmpsaddrwild((saddr1), (saddr2))
#else
#define CMPSADDR(saddr1, saddr2) cmpsaddrwop((saddr1), (saddr2))
#define CMPSADDR2(saddr1, saddr2) cmpsaddrwop((saddr1), (saddr2))
#endif
extern struct sockaddr *getlocaladdr __P((struct sockaddr *));
extern int recvfromto __P((int, void *, size_t, int,
struct sockaddr *, socklen_t *, struct sockaddr *, unsigned int *));
extern int sendfromto __P((int, const void *, size_t,
struct sockaddr *, struct sockaddr *, int));
extern int setsockopt_bypass __P((int, int));
extern struct sockaddr *newsaddr __P((int));
extern struct sockaddr *dupsaddr __P((struct sockaddr *));
extern char *saddr2str __P((const struct sockaddr *));
extern char *saddrwop2str __P((const struct sockaddr *));
extern char *saddr2str_fromto __P((const char *format,
const struct sockaddr *saddr,
const struct sockaddr *daddr));
extern struct sockaddr *str2saddr __P((char *, char *));
extern void mask_sockaddr __P((struct sockaddr *, const struct sockaddr *,
size_t));
extern char *naddrwop2str __P((const struct netaddr *naddr));
extern char *naddrwop2str_fromto __P((const char *format, const struct netaddr *saddr,
const struct netaddr *daddr));
extern int naddr_score(const struct netaddr *naddr, const struct sockaddr *saddr);
extern u_int16_t extract_port __P((const struct sockaddr *addr));
extern u_int16_t *set_port __P((struct sockaddr *addr, u_int16_t new_port));
extern u_int16_t *get_port_ptr __P((struct sockaddr *addr));
#endif