Rockwell Automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User Manual - Manual (Page 246)

API Library of Routines
Appendix B
TAG_DEF_AVAIL
B-115
Returns the number of TAG definitions available in the TAG table.
C Syntax
#include <copro.h>
unsigned TAG_DEF_AVAIL ( )
Parameters
Returns
Value Meaning
xx The number of TAG definitions available in the TAG table
Description
Use TAG_DEF_AVAIL to determine the number of TAG definitions
available in the system’s TAG table. The function calculates the difference
between the number of entries defined in the online utility and the number
of successful TAG definitions made using TAG_DEFINE.
C Example
unsigned avail_val;
avail_val = TAG_DEF_AVAIL ( );
BASIC Example
The BASIC function code is 63.
References
TAG_DEFINE(); TAG_UNDEF(); TAG_LINK();
TAG_GLOBAL_UNDEF();
TAG_DEF_AVAIL