int QSopt_pivotin_row (QSprob p, int rcnt, int *rlist)

/* p is an initialized QSprob, a handle to an existing LP problem.  */
/* Delete rows 1 and 3 from the LP, but to keep a basis for the     */
/* modified problem, first pivot into the basis the logical         */
/* variables associated with the two rows.                          */

int rval;
int dellist[2] = { 1, 3 };

rval = QSopt_pivotin_row (p, 2, dellist);
if (rval) {
    fprintf(stderr,
            "QSopt_pivotin_row failed with return code %d\n", rval);
} else {
    rval = QSdelete_rows (p, 2, dellist);
    if (rval) {
        fprintf(stderr,
                "QSdelete_rows failed with return code %d\n", rval);
    }
}