MBOX_ADDR_ALIGN 94 kernel/genarch/include/genarch/drivers/bcm2835/mbox.h char tmp_ ## name[sizeof(type) + MBOX_ADDR_ALIGN] = { 0 }; \ MBOX_ADDR_ALIGN 95 kernel/genarch/include/genarch/drivers/bcm2835/mbox.h type *name = (type *)ALIGN_UP((uintptr_t)tmp_ ## name, MBOX_ADDR_ALIGN);HelenOS homepage, sources at GitHub