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

ANSI/ISO C	No
POSIX	No

Example

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