hash function for mac needed

[Brett Kottmann]

	Are there C implementations of hash functions lying around out there? 
I need a hash function that will take a string (up to 255 chars + null) and
make a unique key for it.  It should hash to the same key for the same string
:).
	Also, I'm using a Mac, so no UNIX/DOS library pointers, please!

	Thanx,

Brett
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