Rockwell Automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User Manual - Manual (Page 177)

API Library of Routines
Appendix B
DTL_DEF_AVAIL
B-46
BASIC Example
The BASIC function code is 4.
procedure COPRO
DIM status : INTEGER
DIM num_avail : INTEGER
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.
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rem * DTL_DEF_AVAIL - How many definitions available
RUN AB_BAS (4,status,ADDR(num_avail))
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References
DTL_C_DEFINE(); DTL_C_UNDEF();