NAME
getrtable,
    setrtable —
    get and 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
HISTORY
The getrtable() and
    setrtable() system calls appeared in
    OpenBSD 4.8.