Run these makefiles from the top level as in
nmake -f ms\makefilename
to build with visual C++ 4.[01].

The results will be in the out directory.

These makefiles and def files were generated my typing

perl util\mk1mf.pl VC-MSDOS no-sock >ms/msdos.mak
perl util\mk1mf.pl VC-W31-32 >ms/w31.mak
perl util\mk1mf.pl VC-W31-32 dll >ms/w31dll.mak
perl util\mk1mf.pl VC-NT >ms/nt.mak
perl util\mk1mf.pl VC-NT dll >ms/ntdll.mak

perl util\mkdef.pl 16 crypto > ms/crypto16.def
perl util\mkdef.pl 32 crypto > ms/crypto32.def
perl util\mkdef.pl 16 ssl > ms/ssl16.def
perl util\mkdef.pl 32 ssl > ms/ssl32.def