WK_BMSAFEMAP
initiate_write_bmsafemap(WK_BMSAFEMAP(wk), bp);
handle_written_bmsafemap(WK_BMSAFEMAP(wk),
if (handle_written_bmsafemap(WK_BMSAFEMAP(wk), bp,
bmsafemap = WK_BMSAFEMAP(wk);
bmsafemap_backgroundwrite(WK_BMSAFEMAP(wk), newbp))
return (WK_BMSAFEMAP(wk));