Get the next constraint defined in the problem.

The next constraint in the enumeration order, or NULL .

XPRBprob prob;
XPRBctr ctr;
   ...
ctr = NULL;
while ((ctr = XPRBgetnextctr(prob, ctr)) != NULL) {
  XPRBprintctr(ctr);
}

This prints all constraints defined in the problem.

This function can be used to enumerate the constraints of a problem. The second parameter serves to keep track of the current location in the enumeration; if this parameter is NULL, the first constraint is returned, otherwise the constraint that follows it is returned. This function returns NULL if ref is the last constraint (or if there are no constraints to enumerate).

XPRBnewctr, XPRBgetnextterm.