HelenOS sources

ALIGN_DOWN         42 boot/generic/include/align.h #define ALIGN_DOWN(s, a)  ((s) & ~((a) - 1))
ALIGN_DOWN         46 kernel/generic/include/align.h #define ALIGN_DOWN(s, a)  ((s) & ~((a) - 1))
ALIGN_DOWN         43 uspace/lib/c/include/align.h #define ALIGN_DOWN(s, a)	((s) & ~((a) - 1))
ALIGN_DOWN         43 uspace/lib/posix/include/libc/align.h #define ALIGN_DOWN(s, a)	((s) & ~((a) - 1))