# GUID_NULL

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[Linker error] undefined reference to GUID_NULL' What lib/header do I need to include to use this? -Greg

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Mine is declared in ks.h, but I don't know what that file is, or where it's comming from. GUID_NULL is just a GUID with all elements set to 0 anyway, so you can easily make your own:
GUID guidNULL;memset(&guidNULL,0,sizeof(GUID));`

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okay, thanks. I thought it was defined somewhere because it is all over the DX docs. Anyway, thanks a bunch.
-Greg

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