CNC_RDOMHISTRY | HISTORY

Specify the library handle. See "Library handle" for details.

Specify the start record number.(0, 1, 2,...)

Specify the pointer to the number of history data to be read. Set the number of history data to be read at a time, and this function returns the number of history data which was read actually.

Pointer to the ODBOMIF structure for the external operator's message history data. The ODBOMIF structure is as follows.

typedef struct odbomhis {
    short   om_no;          /* operator's message number */
    short   year;           /* year   */
    short   month;          /* month  */
    short   day;            /* day    */
    short   hour;           /* hour   */
    short   minute;         /* minute */
    short   second;         /* second */
    char    om_msg[256];    /* operator's message */
} ODBOMHIS ;

om_no

operator's message number

year

year (0,...,99)

month

month (1,...,12)

day

day (1,...,31)

hour

hour (0,...,23)

minute

minute (0,...,59)

second

second (0,...,59)

om_msg

operator's message
The last character is 'NULL(\0)'.