SetOSDefault
SetOSDefault Set default operating system
#include <Start.h> Start Manager
SetOSDefault(pb );
DefOSPtr pb ; pointer to a 2-byte DefOSRec parameter block
returns none
SetOSDefault specifies what operating system is the default.
pb is the address of a 2-byte DefOSRec structure. It contains the
following fields:
Out-In Name Type Size Offset Description
-> sdReserved SignedByte 1 0 Not in use, use a 0
-> sdOSTtype SignedByte 1 1 Operating system ID
Returns: none

Notes: The general application of this call is when a partitioned drive is loaded
with more than one operating system.