Function svn_ra_open 

pub unsafe extern "C" fn svn_ra_open(
    session_p: *mut *mut svn_ra_session_t,
    repos_URL: *const c_char,
    callbacks: *const svn_ra_callbacks_t,
    callback_baton: *mut c_void,
    config: *mut apr_hash_t,
    pool: *mut apr_pool_t,
) -> *mut svn_error_t

@see svn_ra_open2(). @since New in 1.2. @deprecated Provided for backward compatibility with the 1.2 API.