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cndxfree
Frees an expression tree generated by cndxparse().
Declaration
cndxfree ( PTREE Tree );
Description
cndxfree() releases en entire PTREE structure.
Return Values
Value |
Symbolic Constant |
Explanation |
|---|---|---|
0 |
NO_ERROR |
Successful operation. |
See FairCom DB Error Codes for a complete listing of valid FairCom DB error values.
Example
PTREE ptree; /* Expression tree. */
....
ptree = cndxparse(schema, names, expr, strlen(expr));
if (!ptree)
printf("Error: Unable to parse expression.\n");
else
printf("Successfully parsed expression.\n");
....
if ( ptree )
cndxfree (ptree);
See also
cndxeval, cndxparse, ctparsedoda, cndxrun, getcndxmem, putcndxmem
