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NetBSD 6.1.5 - man page for rpcb_rmtcall (netbsd section 3)

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RPCBIND(3)			   BSD Library Functions Manual 		       RPCBIND(3)

NAME
     rpcb_getmaps, rpcb_getaddr, rpcb_gettime, rpcb_rmtcall, rpcb_set, rpcb_unset -- library rou-
     tines for RPC bind service

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <rpc/rpc.h>

     struct rpcblist *
     rpcb_getmaps(const struct netconfig *netconf, const char *host);

     bool_t
     rpcb_getaddr(const rpcprog_t prognum, const rpcvers_t versnum,
	 const struct netconfig *netconf, struct netbuf *svcaddr, const char *host);

     bool_t
     rpcb_gettime(const char *host, time_t * timep);

     enum clnt_stat
     rpcb_rmtcall(const struct netconfig *netconf, const char *host,
	 const rpcprog_t prognum, const rpcvers_t versnum,
	 const rpcproc_t procnum, const xdrproc_t inproc, const char *in,
	 const xdrproc_t outproc, caddr_t out,
	 const struct timeval tout, struct netbuf *svcaddr);

     bool_t
     rpcb_set(const rpcprog_t prognum, const rpcvers_t versnum, const struct netconfig *netconf,
	 const struct netbuf *svcaddr);

     bool_t
     rpcb_unset(const rpcprog_t prognum, const rpcvers_t versnum,
	 const struct netconfig *netconf);

DESCRIPTION
     These routines allow client C programs to make procedure calls to the RPC binder service.
     (see rpcbind(8)) maintains a list of mappings between programs and their universal
     addresses.

ROUTINES
     rpcb_getmaps()
	    An interface to the rpcbind service, which returns a list of the current RPC program-
	    to-address mappings on host.  It uses the transport specified through netconf to con-
	    tact the remote rpcbind service on host.  This routine will return NULL, if the
	    remote rpcbind could not be contacted.

     rpcb_getaddr()
	    An interface to the rpcbind service, which finds the address of the service on host
	    that is registered with program number prognum, version versnum, and speaks the
	    transport protocol associated with netconf.  The address found is returned in
	    svcaddr.  svcaddr should be preallocated.  This routine returns TRUE if it succeeds.
	    A return value of FALSE means that the mapping does not exist or that the RPC system
	    failed to contact the remote rpcbind service.  In the latter case, the global vari-
	    able rpc_createerr (see rpc_clnt_create(3) contains the RPC status.

     rpcb_gettime()
	    This routine returns the time on host in timep.  If host is NULL, rpcb_gettime()
	    returns the time on its own machine.  This routine returns TRUE if it succeeds, FALSE
	    if it fails.  rpcb_gettime() can be used to synchronize the time between the client
	    and the remote server.

     rpcb_rmtcall()
	    An interface to the rpcbind service, which instructs rpcbind on host to make an RPC
	    call on your behalf to a procedure on that host.  The netconfig() structure should
	    correspond to a connectionless transport.  The parameter svcaddr will be modified to
	    the server's address if the procedure succeeds (see rpc_call() and clnt_call() in
	    rpc_clnt_calls(3) for the definitions of other parameters).

	    This procedure should normally be used for a ``ping'' and nothing else.  This routine
	    allows programs to do lookup and call, all in one step.

	    Note: Even if the server is not running rpcb_rmtcall() does not return any error mes-
	    sages to the caller.  In such a case, the caller times out.

	    Note: rpcb_rmtcall() is only available for connectionless transports.

     rpcb_set()
	    An interface to the rpcbind service, which establishes a mapping between the triple [
	    prognum, versnum, netconf->nc_netid] and svcaddr on the machine's rpcbind service.
	    The value of nc_netid must correspond to a network identifier that is defined by the
	    netconfig database.  This routine returns TRUE if it succeeds, FALSE otherwise.  (See
	    also svc_reg() in rpc_svc_calls(3).  If there already exists such an entry with
	    rpcbind, rpcb_set() will fail.

     rpcb_unset()
	    An interface to the rpcbind service, which destroys the mapping between the triple [
	    prognum, versnum, netconf->nc_netid] and the address on the machine's rpcbind ser-
	    vice.  If netconf is NULL, rpcb_unset() destroys all mapping between the triple [
	    prognum, versnum, all-transports] and the addresses on the machine's rpcbind service.
	    This routine returns TRUE if it succeeds, FALSE otherwise.	Only the owner of the
	    service or the super-user can destroy the mapping.	(See also svc_unreg() in
	    rpc_svc_calls(3).

SEE ALSO
     rpc_clnt_calls(3), rpc_svc_calls(3), rpcbind(8), rpcinfo(8)

BSD					 December 4, 2005				      BSD
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