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. |