Can i get a number of rows in the select list??

Hello~
I am studying the "oracle call interface". but i don't know much about oci.
Anyway i want to know that how can i get a number of rows.
for example, there is a source code of the number of colums in the select list.
The following is a list of DB(example)
/*DB table*/
ID NAME CODE ID
1 A 1 A
2 B 2 B
/*source*/
err = OCIAttrGet ((dvoid *) stmhp, (ub4)OCI_HTYPE_STMT, (dvoid*)
&parmcnt, (ub4 *) 0, (ub4)OCI_ATTR_PARAM_COUNT, errhp);
/*result*/
The Column is 4. (ID, NAME, CODE, ID)
So, i think that the row is 3 (ID, 1, 2) in the DB table.
Simply, Can i get a number of rows in the select list??
for example,
err = OCIAttrGet ((dvoid *) stmhp, (ub4)OCI_HTYPE_STMT, (dvoid*)
&parmcnt, (ub4 *) 0, (ub4)OCI_ATTR_RAW_COUNT, errhp);
I'm trying to get the number of row count. but i can't find.
Please, could you let me know that how can i get the number of row count.
Thank you.

Thank you for your reply.
we are tested the source code by reply.
The following is the test source code.
/*source code*/
strcpy (szStatement, "SELECT * from DB_TABLE");
OCIStmtPrepare(gpOCIReadStmHandle, gpOCIErrHandle, szStatement,
strlen(szStatement), OCI_NTV_SYNTAX, OCI_DEFAULT);
OCIStmtExecute(gpOCISvcHandle, gpOCIReadStmHandle, gpOCIErrHandle,
0, 0, 0, 0, OCI_DEFAULT);
/* get a number of rows count , Reply : prajithparan*/
OCIAttrGet((dvoid *)gpOCIReadStmHandle, OCI_HTYPE_STMT, (dvoid *)&nRowCount, NULL, OCI_ATTR_ROW_COUNT, gpOCIErrHandle))
But There is a problem of the result value.
The result value is 0. It's mean that the row count is 0. and then we are using the all of fuction is succeed.(return value)
I don't know what is problem. Please let me know about the problem and solution.
Thank you.

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