Function svn_wc_get_default_ignores 

pub unsafe extern "C" fn svn_wc_get_default_ignores(
    patterns: *mut *mut apr_array_header_t,
    config: *mut apr_hash_t,
    pool: *mut apr_pool_t,
) -> *mut svn_error_t

Get the run-time configured list of ignore patterns from the #svn_config_t’s in the @a config hash, and store them in @a *patterns. Allocate @a *patterns and its contents in @a pool.