int QSopt_pivotin_col (QSprob p, int ccnt, int *clist)

/* p is an initialized QSprob, a handle to an existing LP problem.  */
/* Pivot column 2 into the basis.                                   */

int rval;
int collist[1] = { 2 };

rval = QSopt_pivotin_col (p, 1, collist);
if (rval) {
    fprintf (stderr, 
            "QSopt_pivotin_col failed with return code %d\n", rval);
}