| Overview | Group | Index | Concepts | 
The routine CPXNETbasewrite writes the current basis
 stored in a network problem object to a file in BAS format. If no arc or
 node names are available for the problem object, default names are used.
Example
status = CPXNETbasewrite (env, net, "netbasis.bas");
| env | A pointer to the CPLEX environment as returned by   | 
| net | A pointer to a CPLEX network problem object as returned by   | 
| filename_str | Name of the basis file to write.  |