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_bios_memsize
=============

Syntax
------

     #include <bios.h>
     
     unsigned _bios_memsize(void);

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

This function returns the amount of system memory in 1K blocks (up to
640K).

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

Size of memory (in K).

Example
-------

     printf("This system has %d bytes of memory\n", _bios_memsize() * 1024);