int QSchange_rhscoef (QSprob p, int indx, double coef)
/* Change the right-hand-side coefficient in row 1 to 7.1  */

int rval = 0;

rval = QSchange_rhscoef (p, 1, 7.1);
if (rval) {
    fprintf (stderr,
            "Could not change rhs value, error code %d\n", rval);
}