freebsd-dev/usr.sbin/ppp/tun.h
Brian Somers c7d4711f9e Add id strings to tun.[ch].
Don't try to open ppp.secret if we're never going to use it.
1997-11-17 00:42:41 +00:00

21 lines
415 B
C

/*
* $Id$
*/
struct tun_data {
#ifdef __OpenBSD__
struct tunnel_header head;
#endif
u_char data[MAX_MRU];
};
#ifdef __OpenBSD__
#define tun_fill_header(f,proto) do { (f).head.tun_af = (proto); } while (0)
#define tun_check_header(f,proto) ((f).head.tun_af == (proto))
#else
#define tun_fill_header(f,proto) do { } while (0)
#define tun_check_header(f,proto) (1)
#endif
extern void tun_configure(int, int);