Symfindprev - Texas Instruments TI-89 Developer's Manual
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1042
SymFindPrev
Declaration:
SYM_ENTRY * SymFindPrev (void)
Category(ies):
Symbol Table Utilities (low-level)
Description:
Return the previous symbol as specified by SymFindFirst.
Inputs:
None
Outputs:
SYM_ENTRY pointer to previous symbol.
Assumptions:
This is a direct pointer to the symbol table, heap compression will invalidate
this pointer.
Side Effects:
None
All versions of the TI-89 / TI-92 Plus.
Availability:
TI-89 / TI-92 Plus
Differences:
None
See Also:
SymFindFirst, SymFindNext
Example:
Normally the only routine used with SymFindFirst is SymFindNext. This
routine allows an app to traverse the symbol table in both directions.
VAR-LINK uses this routine to present a scrollable list of all symbols
without having to maintain a separate in-memory list.
TI-89 / TI-92 Plus Developer Guide
Appendix A: System Routines — Symbol Table Utilities
Not for Distribution
Beta Version January 26, 2001
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