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 13 struct 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 23