safe_realloc ((void **) &args, (*argsmax += 5) * sizeof (char *));
safe_realloc (&args, (*argsmax += 5) * sizeof (char *));
add_args (char **args, size_t *argslen, size_t *argsmax, ADDRESS *addr){  for (; addr; addr = addr->next)  {    /* weed out group mailboxes, since those are for display only */    if (addr->mailbox && !addr->group)    {      if (*argslen == *argsmax)	safe_realloc ((void **) &args, (*argsmax += 5) * sizeof (char *));      args[(*argslen)++] = addr->mailbox;    }  }  return (args);}