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__dpmi_map_device_in_memory_block
=================================

Syntax
------

     #include <dpmi.h>
     
     int __dpmi_map_device_in_memory_block(__dpmi_meminfo *_info, unsigned long *_physaddr);

Description
-----------

Please refer to DPMI Specification: for details on DPMI function   
call operation.  Also see DPMI Overview: for general information.   

DPMI function AX = 0x0508 (DPMI 1.0 only)

This function maps a physical address range to virtual memory.  Pass
the handle, offset relative to the start of the block, and number of
pages to map.

Return Value
------------

-1 on error, else zero.