setrpcent(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(const 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 statically allocated rpcent structure.  NULL is returned
       on EOF or error.

FILES
       /etc/rpc
              RPC program number database.

ATTRIBUTES
       For an  explanation  of  the  terms  used  in  this  section,  see  at-
       tributes(7).

       +-----------------------------+---------------+----------------+
       |Interface                    | Attribute     | Value          |
       +-----------------------------+---------------+----------------+
       |getrpcent(), getrpcbyname(), | Thread safety | MT-Unsafe      |
       |getrpcbynumber()             |               |                |
       +-----------------------------+---------------+----------------+
       |setrpcent(), endrpcent()     | Thread safety | MT-Safe locale |
       +-----------------------------+---------------+----------------+

CONFORMING TO
       Not in POSIX.1.  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 5.07 of the Linux  man-pages  project.   A
       description  of  the project, information about reporting bugs, and the
       latest    version    of    this    page,    can     be     found     at
       https://www.kernel.org/doc/man-pages/.

                                  2020-04-11                      GETRPCENT(3)

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