CNC_RDEXECMCODE | NCDATA

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

Specify M code group number.

Pointer to the number of M code groups to be read.
Specify the number of M code groups to be read before function call and actual number of M code groups being read is stored after the function call.

Pointer to the ODBEXEM structure where returned data are stored. The ODBEXEM structure is as follows.

typedef struct odbexem {
    short   grp_no;
    short   mem_no;
    struct{
        long    no;
        short   flag;
    }m_code[5];
    char    m_name[21];
    char    dummy;
} ODBEXEM;

grp_no

M code group number
M code group number is returned.

mem_no

The number of the M codes memorized.
The number of the M codes memorized in the group is returned.

m_code[N].no

M code
The latest five M codes in the group are returned. (N: 0,..,4)

m_code[N].flag

Executed / Executing flag
Flags to indicate whether above M codes in m_code[N].no are executed or executing.

0	:	executed
1	:	executing

Executed / Executing flags for latest five M codes in the group are returned. (N: 0,..,4)

m_name

M code name.
The name of the latest M code command in the group is returned. ASCII character string ( max. 20 characters) with trailing NULL code is stored.