Fetch multiple records from database

/*--------------------------------------------------------------------
 * Very simple example Pro*C program to fetch multiple records 
 * from database
 *                                              Frank Naude - Sep 2000
 *--------------------------------------------------------------------
 */
#include <stdio.h> 
#include <sqlca.h>
void sqlerror(); 
EXEC SQL BEGIN DECLARE SECTION; 
char *connstr = "scott/tiger"; 
char db_ename[30];
int  db_deptno;
EXEC SQL END DECLARE SECTION; 
void main() { 
	EXEC SQL WHENEVER SQLERROR DO sqlerror(); 
	EXEC SQL WHENEVER SQLWARNING CONTINUE; 
	EXEC SQL CONNECT :connstr; 
	EXEC SQL DECLARE emp_cursor CURSOR FOR
        	SELECT ENAME, DEPTNO
        	FROM   EMP;
	EXEC SQL OPEN emp_cursor;
	EXEC SQL WHENEVER NOT FOUND DO break;
	for (;;) {
		EXEC SQL FETCH emp_cursor INTO :db_ename, :db_deptno;
		printf("\t%s\t%i\n", db_ename, db_deptno);
	}
	EXEC SQL CLOSE emp_cursor;
	EXEC SQL COMMIT WORK RELEASE; 
	return; 
} 
void sqlerror() { 
	printf("Stop Error:\t%25i\n", sqlca.sqlcode); 
	EXEC SQL WHENEVER SQLERROR CONTINUE;
	EXEC SQL ROLLBACK WORK RELEASE;
	return; 
}