Rockwell Automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User Manual - Manual (Page 211)

API Library of Routines
Appendix B
DTL_UNDEF
B-80
Deletes a data definition from the DTL data-definition table.
C Syntax
#include <copro.h>
unsigned DTL_UNDEF (name_id)
unsigned name_id;
Parameters
name_id
DTL_C_DEFINE returns this handle when the data item is defined.
Description
Use the DTL_UNDEF function to delete an entry in the data-
definition table.
Returns
Status Symbolic Name Meaning
0 DTL_SUCCESS Operation successful
19 DTL_E_NOINIT Definition table not initialized
20 DTL_E_BADID Definition ID out of range
32 DTL_E_NODEF No such data item defined
C Example
unsigned status;
unsigned analog;
.
.
.
DTL_C_DEFINE (&analog, . . .)
.
.
.
status = DTL_UNDEF (analog);
DTL_UNDEF