Aldo, I tried to compile your module, but I received this error message:
cl -c -nologo -Gf -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO_ST RICT -DHAVE_DES_FCRYPT -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX -MD -Zi -DNDEBUG -O1 -DVERSION=\"0.41\" -DXS_VERSION=\ "0.41\" "-IC:\Perl\lib\CORE" Callback.c 'cl' is not recognized as an internal or external command, operable program or batch file. NMAKE : fatal error U1077: 'C:\WINDOWS\system32\cmd.exe' : return code '0x1' Stop. NMAKE : fatal error U1077: 'C:\WINDOWS\system32\cmd.exe' : return code '0x2' Stop. I use win XP and nmake for compile. Can you help me? What do I wrong? Thanks Gabor