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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

       getrpcent(),  getrpcbyname(), and getrpcbynumber() 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.

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

       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.

       getrpcbyname() and getrpcbynumber() 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
       statically 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 3.35 of the Linux man-pages project.  A description of the
       project, and information about reporting bugs, can be found at  http://man7.org/linux/man-
       pages/.

                                            2008-08-19                               GETRPCENT(3)