Function usage

extra/perror.c:79–88

static void usage(void)
{
  print_version();
  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
  printf("Print a description for a system error code or a MariaDB error code.\n");
  printf("If you want to get the error for a negative error code, you should use\n-- before the first error code to tell perror that there was no more options.\n\n");
  printf("Usage: %s [OPTIONS] [ERRORCODE [ERRORCODE...]]\n",my_progname);
  my_print_help(my_long_options);
  my_print_variables(my_long_options);
}


static my_bool