Derefsym - Texas Instruments TI-89 Developer's Manual

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DerefSym

Declaration: SYM_ENTRY * DerefSym (HSYM hsym )
Category(ies): Symbol Table Utilities
Description: Convert an HSYM into a direct SYM_ENTRY pointer.
Inputs: hsym — HSYM of a variable (from VarRecall or VarStore for example).
Outputs: SYM_ENTRY pointer represented by hsym or NULL if hsym is 0.
Assumptions:
NOTE: SYM_ENTRY pointers are invalid after heap compression. HSYMs become
Side Effects: None
Availability: All versions of the TI-89 / TI-92 Plus.
TI-89 / TI-92 Plus
Differences: None
See Also: VarRecall, VarStore
Example: See VarStore.
TI-89 / TI-92 Plus Developer Guide
Appendix A: System Routines — Symbol Table Utilities
invalid after adding or removing symbol table entries.
Not for Distribution Beta Version January 26, 2001