The virtual MS-DOS manager provides the following services:
DOSMGR_Add_Device
DOSMGR_Alloc_Local_Sys_VM_Mem
DOSMGR_Begin_V86_App
DOSMGR_BackFill_Allowed
DOSMGR_Copy_VM_Drive_State
DOSMGR_Enable_Indos_Polling
DOSMGR_End_V86_App
_DOSMGR_Exec_VM
DOSMGR_Get_DOS_Crit_Status
DOSMGR_Get_IndosPtr
DOSMGR_Get_Version
DOSMGR_Init_UMB_Area
DOSMGR_Instance_Device
DOSMGR_LocalGlobalReg
DOSMGR_Remove_Device
_DOSMGR_Set_Exec_VM_Data