Allows to redefine master table.

struct rtable_config *

rt_new_table(struct symbol *s)

{

  /* Hack that allows to 'redefine' the master table */

  if ((s->class == SYM_TABLE) && (s->def == new_config->master_rtc))

    return s->def;

  struct rtable_config *c = cfg_allocz(sizeof(struct rtable_config));

  cf_define_symbol(s, SYM_TABLE, c);