Appendix A: System Routines — Variable Name Utilities
1117
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
CheckReservedName
Declaration:
WORD
CheckReservedName
(BYTE *
TokName
)
Category(ies):
Variable Name Utilities
Description:
Check for graph functions and other special names and return the type of
the variable passed or zero otherwise. Note that this routine works the
same as CheckSysFunc only a tokenized name is passed and it may also
return R_SYSVAR.
Inputs:
TokName
— Pointer to tokenized variable name.
Outputs:
Same return value as
CheckSysFunc
with the addition of R_SYSVAR for
system variables.
Assumptions:
None
Side Effects:
None
Availability:
All versions of the TI
-
89 / TI
-
92 Plus.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also: CheckSysFunc
Example:
The rename command, once it determines the variable to rename is a
folder uses
CheckReservedName
to insure the new name is not a
reserved name as shown in the following code fragment.
EStackIndex origName, EStackIndex newName
.
.
.
if (FolderFind(origName) <= FL_OTHER) {
if (CheckReservedName(newName))
ER_THROW( ER_RESERVED );
.
.
.
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