/contrib/ntp/kernel/sys/chudefs.h
C++ Header | 22 lines | 9 code | 4 blank | 9 comment | 0 complexity | 6690102d51fc566b665964d01a4f5285 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, BSD-3-Clause, LGPL-2.0, LGPL-2.1, BSD-2-Clause, 0BSD, JSON, AGPL-1.0, GPL-2.0
1/* 2 * Definitions for the CHU line discipline v2.0 3 */ 4 5/* 6 * The CHU time code consists of 10 BCD digits and is repeated 7 * twice for a total of 10 characters. A time is taken after 8 * the arrival of each character. The following structure is 9 * used to return this stuff. 10 */ 11#define NCHUCHARS (10) 12 13struct chucode { 14 u_char codechars[NCHUCHARS]; /* code characters */ 15 u_char ncodechars; /* number of code characters */ 16 u_char chutype; /* packet type */ 17 struct timeval codetimes[NCHUCHARS]; /* arrival times */ 18}; 19 20#define CHU_TIME 0 /* second half is equal to first half */ 21#define CHU_YEAR 1 /* second half is one's complement */ 22