XPRBprob bprob;
XPRBvar x;

void XPRS_CC printsol(XPRSprob oprob,void *my_object){
  int num;

  XPRSgetintattrib(oprob, XPRS_MIPSOLS, &num);
                                   /* Get number of the solution */

  XPRBbegincb(bprob, oprob);       /* Use local Optimizer problem */
  XPRBsync(bprob, XPRB_XPRS_SOL);  /* Update BCL solution values */
  XPRBprintf(bprob, "Solution %d: Objective value: %g\n",
             num, XPRBgetobjval(bprob));
  XPRBprintf(bprob, "%s: %g\n", XPRBgetvarname(x), XPRBgetsol(x));
  XPRBendcb(bprob);                /* Reset BCL to main problem */
}

int main(int argc, char **argv)
{
  XPRSprob oprob;
  bprob = XPRBnewprob("cbexample");
  ...                                      /* Define the problem */
  oprob = XPRBgetXPRSprob(bprob);          /* Get Optimizer problem */
  XPRSsetcbintsol(oprob, printsol, NULL);  /* Set the callback */
  XPRBmipoptimize(bprob, "");              /* Solve the MIP problem */
}