_WIN32 80 libltdl/libltdl/lt_system.h #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE _WIN32 101 libltdl/libltdl/lt_system.h #elif defined _WIN32 _WIN32 102 libltdl/libltdl/lt_system.h # define __WINDOWS__ _WIN32