Where is the kernel source?

[Jor-el]

Hi,

        The kernel image that my system uses appears to be from the
package kernel-image-2.2.18pre21-ide . One would expect that the source
code to this .deb would be found in the corresponding source package - i.e
in kernel-source-2.2.18pre21-ide . But it isnt there. www.kernel.org no
longer has the pre patches stored there, so I dont know where to go get
2.2.18pre21 source code. Any ideas?

Thanks,
Jor-el