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31 * @(#)in_systm.h 8.1 (Berkeley) 6/10/93
35 #ifndef _NETINET_IN_SYSTM_H_
36 #define _NETINET_IN_SYSTM_H_
39 * Miscellaneous internetwork
40 * definitions for kernel.
46 * Internally the system keeps counters in the headers with the bytes
47 * swapped so that VAX instructions will work on them. It reverses
48 * the bytes before transmission at each protocol level. The n_ types
49 * represent the types with the bytes in ``high-ender'' order. Network
50 * byte order is usually referered to as big-endian these days rather
51 * than high-ender, which sadly invokes an Orson Scott Card novel, or
54 typedef u_int16_t n_short; /* short as received from the net */
55 typedef u_int32_t n_long; /* long as received from the net */
57 typedef u_int32_t n_time; /* ms since 00:00 UTC, byte rev */
63 int cr_canseeinpcb(struct ucred *cred, struct inpcb *inp);
65 uint32_t iptime(void);