一组实用工具打包在dll里

function getjhl:shortstring;stdcall;External 'reg.dll' function getrrd:shortstring;stdcall;External 'reg.dll' function getabout:shortstring;stdcall;External 'reg.dll' function regkeyexists(x:shortstring):boolean;stdcall;External 'reg.dll' function regkeydelete(x:shortstring):boolean;stdcall;Ex