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Command: getrtable | Section: 2 | Source: OpenBSD | File: getrtable.2
GETRTABLE(2) FreeBSD System Calls Manual GETRTABLE(2)
NAME
getrtable, setrtable - get or set the default routing table of the
current process
SYNOPSIS
#include <sys/types.h>
#include <sys/socket.h>
int
getrtable(void);
int
setrtable(int rtableid);
DESCRIPTION
getrtable() and setrtable() manipulate the routing table and routing
domain associated with the current process.
Only the superuser is allowed to change the process routing table if it
is already set to a non-zero value.
RETURN VALUES
getrtable() returns the routing table of the current process. Upon
successful completion, setrtable() returns 0 if the call succeeds, -1 if
it fails.
ERRORS
The call succeeds unless:
[EINVAL] The value of the rtableid argument is not a valid
routing table.
[EPERM] The user is not the superuser and the routing table of
the calling process is already set to a non-zero
value.
SEE ALSO
getsockopt(2), route(8)
HISTORY
The getrtable() and setrtable() system calls appeared in OpenBSD 4.8.
FreeBSD 14.1-RELEASE-p8 February 22, 2023 FreeBSD 14.1-RELEASE-p8