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These routines require that the rpc.rstatd(1M) daemon
be configured and available on the remote system indicated by host. The rstat() protocol is used to gather statistics from remote kernel. Statistics will be
available on items such as paging, swapping, and cpu utilization.
rstat() fills in the statstime structure statp for host. statp must point to
an allocated statstime structure. rstat() returns RPC_SUCCESS if it was successful; otherwise a enum clnt_stat
is returned which can be displayed using clnt_perrno(3NSL).
havedisk() returns 1 if host has disk, 0 if it does not, and -1 if this cannot be determined.
The following XDR routines are available in librpcsvc:
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xdr_statstime
xdr_statsvar
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