int sym_get_user_data(sym_environment *env, void **user)
| sym_environment *env | INOUT | Pointer to the SYMPHONY environment. |
| void **user | OUT | Pointer to the user defined problem structure. |
| ERROR__USER | Error in the passed in user structure. |
| FUNCTION_TERMINATED_ABNORMALLY | Function invoked unsuccessfully |
| FUNCTION_TERMINATED_NORMALLY | Function invoked successfully. |