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getdfree
========

Syntax
------

     #include <dos.h>
     
     void getdfree(unsigned char drive, struct dfree *ptr);

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

This function gets information about the size and fullness of the given
drive (0=default, 1=A:, etc).  The return structure is as follows:

     struct dfree {
       unsigned df_avail; /* number of available clusters */
       unsigned df_total; /* total number of clusters */
       unsigned df_bsec;  /* bytes per sector */
       unsigned df_sclus; /* sectors per cluster */
     };

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

None.

Example
-------

     struct dfree d;
     getdfree(3, &d); /* drive C: */