On Sat, 28 Apr 2007 17:57:56 +0800 "jinheking" <caoqi at bgi.net.cn> wrote: > Is there any way to compile D programs that use unistd.h and the > getopt function in a win32 environment? Yes. You have to create a D module with the prototypes, enumerations, etc. Please use the digitalmars.D.learn newsgroup for such kind of questions. Kind regards, Alex