For the defaults and ranges of these structured information fields, see the IBMLAN.INI parameter descriptions in the LAN Server Network Administrator Reference Volume 2: Performance Tuning.
Using any ASCII text editor, you can view these structures in the \IBMLAN\NETSRC\H\WKSTA.H header file.
The NetWkstaGetInfo (level 0, 1, 2, 10 and 11) and NetWkstaSetInfo (level 0 and 1) APIs accept or return data at the specified level of detail, using the wksta_info data structure.