Get the name of an index.

Name of the i ^th element in the set if function executed successfully, NULL otherwise.

XPRBprob prob;
XPRBidxset iset;
const char *name;
   ...
iset = XPRBnewidxset(prob, "Set", 100);
name = XPRBgetidxelname(iset, 0);

This defines an index set, iset, with space for 100 entries and retrieves the name of the index set element with sequence number 0.

An index element can be accessed either by its name or by its sequence number. This function returns the name of an index set element given its sequence number.

XPRBaddidxel, XPRBgetidxsetname, XPRBgetidxel, XPRBnewidxset.