/Makefile/1.9/Sun Aug 29 15:15:45 2021//
/log.c/1.1/Mon Jan  4 19:24:55 2021//
/log.h/1.2/Mon Dec 13 18:04:28 2021//
/main.c/1.7/Sat May  1 16:55:14 2021//
/walk.err/1.1/Wed Jan 13 17:00:20 2021//
/walk.out/1.2/Sat May  1 16:55:14 2021//
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