Function svn_opt_subcommand_help 

pub unsafe extern "C" fn svn_opt_subcommand_help(
    subcommand: *const c_char,
    table: *const svn_opt_subcommand_desc_t,
    options_table: *const apr_getopt_option_t,
    pool: *mut apr_pool_t,
)

Same as svn_opt_subcommand_help2(), but acts on #svn_opt_subcommand_desc_t.

@deprecated Provided for backward compatibility with the 1.3 API.