int QSget_row_index (QSprob p, const char *name, int *rowindex)
/* p is an initialized QSprob, a handle to an existing LP problem */ /* Find the index of the constraint r1. */ int rval, rowindex; const char *name = "r1"; rval = QSget_row_index (p, name, &rowindex); if (rval) { fprintf (stderr, "could not get index, error code %d\n", rval); } else { if (rowindex == -1) { printf ("%s is not in the problem\n", name); } else { printf ("%s is row number %d\n", name, rowindex); } }