Texas Instruments TI-89 - Page 1180

1138
Appendix A: System Routines — Variables
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
cmd_rename
(continued)
Example:
This example renames the variable
sourceName
to
destName
.
EStackIndex esSource, oldTop = top_estack;
BYTE sourceName[MAX_SYM_LEN], destName[MAX_SYM_LEN];
TRY
if (TokenizeSymName( sourceName, 0 ) == NULL)
ER_THROW( INVALID_PATHNAME_ERROR );
esSource = top_estack;
if (TokenizeSymName( destName, 0 ) == NULL)
ER_THROW( INVALID_PATHNAME_ERROR );
cmd_rename( esSource, top_estack );
top_estack = oldTop; /* restore top of ESTACK */
ONERR
top_estack = oldTop; /* restore top of ESTACK */
PASS; /* pass error on up to caller */
ENDTRY