GetBootInfo()

APTR GetBootInfo(
         ULONG infoType );

Return information from the bootloader

infoType - The type of information requested. Valid types are:
  BL_Video      (struct VesaInfo*) - VESA video mode data
  BL_LoaderName (STRPTR)           - Name of bootloader
  BL_Args       (struct List *)    - Kernel arguments. Data item is struct Node.
                                     ln_Name points to argument text.
  BL_Drives     (struct List *)    - Legacy disk drives present in the system.
                                     Data item is struct DriveInfoNode.

Pointer to data or NULL if not supplied