Compaq TCP/IP Services for OpenVMS Programming And Reference Manual page 63

status = esnmp_register( &ipRouteEntry_subtree,
if (status != ESNMP_LIB_OK) {
printf ("Could not queue the 'ipRouteEntry' \n");
printf ("subtree for registration\n");
}
RESPONSE_TIMEOUT,
REGISTRATION_PRIORITY );
eSNMP API Routines
esnmp_register
eSNMP API Routines 5–5