HelenOS sources

LOWER32           135 kernel/generic/include/macros.h #define LOWER32(arg)  (((uint64_t) (arg)) & UINT32_C(0xffffffff))
LOWER32            50 uspace/lib/c/include/macros.h #define LOWER32(arg)  (((uint64_t) (arg)) & 0xffffffff)
LOWER32            50 uspace/lib/posix/include/libc/macros.h #define LOWER32(arg)  (((uint64_t) (arg)) & 0xffffffff)