Prefer os_memset, os_strlcpy and os_free. While here adjust the return value checks for 2 ioctl calls and rewrite error handling in bsd_init to better integrate with upstream code.
Prefer os_memset, os_strlcpy and os_free. While here adjust the return
value checks for 2 ioctl calls and rewrite error handling in bsd_init
to better integrate with upstream code.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase