SDL_image + libtiff on Windows

I built SDL_image.lib on W2000 (VC6), but when testing I discovered that
TIFF files were not handled. There doesn’t seem to be much info about
how to add this capability, so I winged it. I have found libtiff.lib
and various .h files, and put them in the likely places. I also added
the preprocessor definition for LOAD_TIF. I put libtiff.dll in
\winnt\system32.

I might be getting close, because now I get only 6 link errors:

Linking…
LIBC.lib(crt0init.obj) : error LNK2005: ___xc_z already defined in
MSVCRT.lib(cinitexe.obj)
LIBC.lib(crt0init.obj) : error LNK2005: ___xc_a already defined in
MSVCRT.lib(cinitexe.obj)
LIBC.lib(crt0init.obj) : error LNK2005: ___xi_z already defined in
MSVCRT.lib(cinitexe.obj)
LIBC.lib(crt0init.obj) : error LNK2005: ___xi_a already defined in
MSVCRT.lib(cinitexe.obj)
LIBC.lib(crt0init.obj) : warning LNK4006: ___xc_z already defined in
MSVCRT.lib(cinitexe.obj); second definition ignored
LIBC.lib(crt0init.obj) : warning LNK4006: ___xc_a already defined in
MSVCRT.lib(cinitexe.obj); second definition ignored
LIBC.lib(crt0init.obj) : warning LNK4006: ___xi_z already defined in
MSVCRT.lib(cinitexe.obj); second definition ignored
LIBC.lib(crt0init.obj) : warning LNK4006: ___xi_a already defined in
MSVCRT.lib(cinitexe.obj); second definition ignored
Creating library Release/SDL_image.lib and object
Release/SDL_image.exp
LINK : warning LNK4098: defaultlib “MSVCRT” conflicts with use of other
libs; use /NODEFAULTLIB:library
LINK : warning LNK4098: defaultlib “LIBC” conflicts with use of other
libs; use /NODEFAULTLIB:library
LIBC.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
Release/SDL_image.dll : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.
SDL_image.dll - 6 error(s), 6 warning(s)

Am I on the right path?

Gib