master
Change S/Key stuff from using a flat file (/etc/skeykeys) to a directory where each user gets their own file, which is owned by that user.
man pages: add missing commas between subordinate and main clauses
When system calls indicate an error they return -1, not some arbitrary value < 0. errno is only updated in this case. Change all (most?) callers of syscalls to follow this better, and let's see if this strictness helps us in the future.