CNC_RDTOOLZONE | PUNCH

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

Specify the start tool zone data number. (1,..,12)

Pointer to the number of tool zone data.
Specify the number of tool zone data to be read before function call, and the number of tool zone data being read actually is stored after the function call.

Pointer to the IODBTLZN structure including the tool zone data.
The IODBTLZN structure is as follows.

typedef struct iodbtlzn {
    short   slct;       /* Flag of valid data */
    long    data[2];    /* Tool zone data */
} IODBTLZN ;

slct

Flag of valid data is set.

bit 0	:	Item X
bit 1	:	Item Y

bit 2,..,15

:

(not used)

* When a bit is 0, it means the corresponding data has no meaning.

data

Tool zone data is set.

data[0]	:	Item X
data[1]	:	Item Y