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                              emm_getunalloc

   Usage
   #include <emm.h>
   unsigned emm_getunalloc(void);

   Description
   This  routine  obtains the number of 16Kb logical  pages  of  expanded
   memory which are currently free and available for allocation. Use this
   to   find   out   how  many  pages  are   available   before   calling
   emm_allocpages.

   Return Value
   Returns the number of free (unallocated) pages.

See Also: emm_gettotal emm_allocpages

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