tree ba288e2ad68335216be26448e67910fc53bafc47
parent 9e77b3034dd5649ec5bb74507b2cfe0bd8a98aa5
author Wan-Teh Chang <wtc@google.com> 1619817084 -0700
committer Wan-Teh Chang <wtc@google.com> 1619828884 +0000

Use NULL instead of 0 for null pointers

Also fix a misspelled "beginning".

Change-Id: I880ad2fec4dd4ea4866abf34b85e9387c1d6a88d