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.

Portability

not ANSI, not POSIX

Example

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

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