Check in OpenBSD's original version of libkern.h, for reference
Check in OpenBSD's original version of bzero.c from libkern, and add an empty libkern.h
Migrate bzero definition
Update the original libkern
size_t aliasw
More on libio
Create a new directory for OpenBSD headers
Correct <types.h> to <l4/types.h>. bzero() is now ported!