Command used for the job:
egrep -rl ' $' --include *.c --include *.h --include *.s --include *.inc --include *.txt * | xargs sed -i 's/\s\+$//g'
Credits to Grant Murphy from Stack Overflow.
Documents everything related to UnkStruct_08625388, names HasCheckPage functions, fixes mislabeled Brendan/May headers, and adds header count to pokenav_unk_3
Wally and Prof. Birch are skipped. Wally has a variable location, and Prof Birch (despite being listed as .v1 = 0, which is Littleroot) is actually listed as location unknown in the pokenav. Rival is also skipped, as they dont have a location field and are also listed as unknown