a) This call is specific
to DOS/32 Advanced DOS Extender only, and is not supported by standard
DOS.
b) All general registers,
except EBP, will be modified by this call. Register EAX will contain an
id-string, 'ID32', and register EBX will contain the version number of
the currently running DOS/32 Advanced DOS Extender.
c) This call is supported
by DOS/32 Advanced in both real and protected modes.
d) This call will be
used by DOS/32 Advanced at startup, to determine if the program was spawned
from another DOS/32 Advanced application, and to get information about
extended memory that can be shared between the mother and the child processes.
e) When an external DPMI
host is present and runs protected mode (for example Windows), this call
will be supported by the DOS Extender in protected mode only.