DarwinUserListMBS.CurrentEffectiveUserID as Integer

dim l as new DarwinUserListMBS
MsgBox "CurrentEffectiveUserID: "+str(l.CurrentEffectiveUserID)

The real user ID is that of the user who has invoked the program. As the effective user ID gives the process additional permissions during execution of 'set-user-ID' mode processes, getuid() is used to determine the real-user-id of the calling process.

DarwinUserListMBS.CurrentGroupID as Integer

dim l as new DarwinUserListMBS
MsgBox "CurrentGroupID: "+str(l.CurrentGroupID)

The real group ID is specified at login time.

DarwinUserListMBS.CurrentUserID as Integer

dim l as new DarwinUserListMBS
MsgBox "CurrentUserID: "+str(l.CurrentUserID)

The real user ID is that of the user who has invoked the program. As the effective user ID gives the process additional permissions during execution of 'set-user-ID' mode processes, getuid() is used to determine the real-user-id of the calling process.

DarwinUserListMBS.User(index as Integer) as DarwinUserMBS

// find short user name
dim d as DarwinUserListMBS
dim u as string
dim p as DarwinUserMBS
dim uid,i,c as Integer

u=SystemInformationMBS.Username
d=new DarwinUserListMBS

c=d.Count-1
for I=0 to c
  p=d.User(i)
  if p.LongName=u then
    MsgBox p.Name
  end if
next