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Copyright 1991 David Jurgens |
TC: void getdfree( unsigned char drive, struct dfree *dfreep )
- prototype in dos.h
- fills in structure with disk status information.
struct dfree
{
unsigned df_avail; - available clusters
unsigned df_total; - total clusters
unsigned df_bsec; - bytes per sector
unsigned df_sclus; - sectors per cluster
};
- drive is specified as A = 1, B = 2, C = 3, etc...
- in event of error, df_sclus is set to -1.
- MS C uses _dos_getdiskfree()
- see INT 21,36
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getdfree |
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