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CentOS 7.0 - man page for getrpcbynumber (centos section 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(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. 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 3.53 of the Linux man-pages project. A description of the project, and informa- tion about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. 2008-08-19 GETRPCENT(3)


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