Open System Services System Calls Reference Manual (G06.29+, H06.08+, J06.03+)

System Functions (f - i) fstatvfs64(2)
f_bfree Total number of free blocks in fileset:
For Contains
Regular file Number of free blocks on all volumes
currently in the storage-pool file for the
fileset.
Directory Number of free blocks on all volumes
currently in the storage-pool file for the
fileset.
FIFO Number of free blocks on all volumes
currently in the storage-pool file for the
fileset.
/dev/null Number of free blocks on all volumes
currently in the storage-pool file for the
fileset.
Object in /G Number of free blocks in the volume con-
taining the object.
/G 0
Terminal device file 0
/E 0
f_bavail Number of free blocks available to a process without appropriate privileges:
For Contains
Regular file Number of free blocks on all volumes
currently in the storage-pool file for the
fileset.
Directory Number of free blocks on all volumes
currently in the storage-pool file for the
fileset.
FIFO Number of free blocks on all volumes
currently in the storage-pool file for the
fileset.
/dev/null Number of free blocks on all volumes
currently in the storage-pool file for the
fileset.
Object in /G Number of free blocks in the volume con-
taining the object.
/G 0
Terminal device file 0
/E 0
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