Function svn_relpath_skip_ancestor 

pub unsafe extern "C" fn svn_relpath_skip_ancestor(
    parent_relpath: *const c_char,
    child_relpath: *const c_char,
) -> *const c_char

Return the relative path part of @a child_relpath that is below @a parent_relpath, or just “” if @a parent_relpath is equal to @a child_relpath. If @a child_relpath is not below @a parent_relpath, return NULL.

@since New in 1.7.