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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)