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Linux 2.6 - man page for getrpcbynumber (linux section 3)

GETRPCENT(3)			    Linux Programmer's Manual			     GETRPCENT(3)

NAME
       getrpcent, getrpcbyname, getrpcbynumber, setrpcent, endrpcent - get RPC entry

SYNOPSIS
       #include <netdb.h>

       struct rpcent *getrpcent(void);

       struct rpcent *getrpcbyname(char *name);

       struct rpcent *getrpcbynumber(int number);

       void setrpcent(int stayopen);

       void endrpcent(void);

DESCRIPTION
       The  getrpcent(),  getrpcbyname(), and getrpcbynumber() functions each return a pointer to
       an object with the following structure containing the broken-out fields of an entry in the
       RPC program number data base.

	   struct rpcent {
	       char  *r_name;	  /* name of server for this RPC program */
	       char **r_aliases;  /* alias list */
	       long   r_number;   /* RPC program number */
	   };

       The members of this structure are:

	   r_name      The name of the server for this RPC program.

	   r_aliases   A NULL-terminated list of alternate names for the RPC program.

	   r_number    The RPC program number for this service.

       The  getrpcent()  function reads the next entry from the database.  A connection is opened
       to the database if necessary.

       The setrpcent() function opens a connection to the database, and sets the  next	entry  to
       the  first entry.  If stayopen is nonzero, then the connection to the database will not be
       closed between calls to one of the getrpc*() functions.

       The endrpcent() function closes the connection to the database.

       The getrpcbyname() and getrpcbynumber() functions sequentially search from  the	beginning
       of the file until a matching RPC program name or program number is found, or until end-of-
       file is encountered.

RETURN VALUE
       On success, getrpcent(), getrpcbyname(), and getrpcbynumber() return a pointer to a stati-
       cally allocated rpcent structure.  A NULL pointer is returned on EOF or error.

FILES
       /etc/rpc
	      RPC program number database.

CONFORMING TO
       Not in POSIX.1-2001.  Present on the BSDs, Solaris, and many other systems.

BUGS
       All information is contained in a static area so it must be copied if it is to be saved.

SEE ALSO
       getrpcent_r(3), rpc(5), rpcinfo(8), ypserv(8)

COLOPHON
       This  page  is  part of release 3.55 of the Linux man-pages project.  A description of the
       project,    and	  information	 about	  reporting    bugs,	can    be    found     at
       http://www.kernel.org/doc/man-pages/.

					    2008-08-19				     GETRPCENT(3)


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