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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | FILES | ATTRIBUTES | STANDARDS | HISTORY | BUGS | SEE ALSO | COLOPHON |
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getrpcent(3) Library Functions Manual getrpcent(3)
getrpcent, getrpcbyname, getrpcbynumber, setrpcent, endrpcent -
get RPC entry
Standard C library (libc, -lc)
#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
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.
On success, getrpcent(), getrpcbyname(), and getrpcbynumber()
return a pointer to a statically allocated rpcent structure. NULL
is returned on EOF or error.
/etc/rpc
RPC program number database.
For an explanation of the terms used in this section, see
attributes(7).
┌───────────────────────────────┬───────────────┬────────────────┐
│ Interface │ Attribute │ Value │
├───────────────────────────────┼───────────────┼────────────────┤
│ getrpcent(), getrpcbyname(), │ Thread safety │ MT-Unsafe │
│ getrpcbynumber() │ │ │
├───────────────────────────────┼───────────────┼────────────────┤
│ setrpcent(), endrpcent() │ Thread safety │ MT-Safe locale │
└───────────────────────────────┴───────────────┴────────────────┘
BSD.
BSD, Solaris.
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 the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
the project can be found at
⟨https://www.kernel.org/doc/man-pages/⟩. If you have a bug report
for this manual page, see
⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
This page was obtained from the tarball man-pages-6.15.tar.gz
fetched from
⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
2025-08-11. If you discover any rendering problems in this HTML
version of the page, or you believe there is a better or more up-
to-date source for the page, or you have corrections or
improvements to the information in this COLOPHON (which is not
part of the original manual page), send a mail to
[email protected]
Linux man-pages 6.15 2025-05-17 getrpcent(3)
Pages that refer to this page: getent(1), getrpcent_r(3), nsswitch.conf(5), rpc(5)
Copyright and license for this manual page
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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