Function svn_io_file_get_offset 

pub unsafe extern "C" fn svn_io_file_get_offset(
    offset_p: *mut apr_off_t,
    file: *mut apr_file_t,
    pool: *mut apr_pool_t,
) -> *mut svn_error_t

Fetch the current offset of @a file into @a *offset_p. Use @a pool for temporary allocations.

@since New in 1.10