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

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

       #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);

       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

           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.

       On  success, getrpcent(), getrpcbyname(), and getrpcbynumber() return a
       pointer to a statically allocated rpcent structure.  NULL  is  returned
       on EOF or error.

              RPC program number database.

       For  an  explanation  of  the  terms  used  in  this  section,  see at-

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

       Not in POSIX.1.  Present on the BSDs, Solaris, and many other systems.

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

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

       This  page  is  part of release 5.05 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

                                  2017-09-15                      GETRPCENT(3)
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