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dosmemput
=========

Syntax
------

     #include <sys/movedata.h>
     
     void dosmemput(const void *buffer, int length, int offset);

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

This function transfers data from the program's virtual address space to
MS-DOS's conventional memory space.  The OFFSET is a physical address,
which can be computed from a real-mode segment/offset pair as follows:

     offset = segment * 16 + offset;

The LENGTH is the number of bytes to transfer, and BUFFER is a pointer
to somewhere in your virtual address space (such as memory obtained
from `malloc') where the data will come from.

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

None.

Example
-------

     unsigned short save_screen[25][80];
     dosmemput(save_screen, 80*2*25, 0xb8000);