| Overview | Group | Index | Concepts | 
The routine CPXsetstrparam sets the value of a CPLEX
 string parameter.
Example
status = CPXsetstrparam (env, CPX_PARAM_WORKDIR, "mydir");
| env | A pointer to the CPLEX environment as returned by   | 
| whichparam | The symbolic constant (or reference number) of the parameter to change.  | 
| newvalue_str | The new value of the parameter. The maximum length of   |