Remove trailing white space with:

for f in *.{h,c}; do sed -i .sed 's/[[:blank:]]*$//' $f; done (Thanks to Nicolás Wolovick)

Remove trailing white space with:
7894fcd2 · Frans Kaashoek · 6de6a3c9 · 7894fcd2 · 7894fcd2 · 7894fcd2
--- a/bio.c
+++ b/bio.c
--- a/bootmain.c
+++ b/bootmain.c
--- a/console.c
+++ b/console.c
--- a/file.c
+++ b/file.c
--- a/forktest.c
+++ b/forktest.c
--- a/fs.c
+++ b/fs.c
--- a/fs.h
+++ b/fs.h
--- a/grep.c
+++ b/grep.c
--- a/ide.c
+++ b/ide.c
--- a/ioapic.c
+++ b/ioapic.c
--- a/log.c
+++ b/log.c
--- a/ls.c
+++ b/ls.c
--- a/main.c
+++ b/main.c
--- a/memide.c
+++ b/memide.c
--- a/mkfs.c
+++ b/mkfs.c
--- a/mmu.h
+++ b/mmu.h
--- a/proc.c
+++ b/proc.c
--- a/proc.h
+++ b/proc.h
--- a/sh.c
+++ b/sh.c
--- a/spinlock.c
+++ b/spinlock.c
--- a/spinlock.h
+++ b/spinlock.h
--- a/stressfs.c
+++ b/stressfs.c
--- a/string.c
+++ b/string.c
--- a/syscall.c
+++ b/syscall.c
--- a/sysproc.c
+++ b/sysproc.c
--- a/trap.c
+++ b/trap.c
--- a/uart.c
+++ b/uart.c
--- a/ulib.c
+++ b/ulib.c
--- a/usertests.c
+++ b/usertests.c
--- a/vm.c
+++ b/vm.c
--- a/x86.h
+++ b/x86.h
--- a/zombie.c
+++ b/zombie.c