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https://pubs.opengroup.org/onlinepubs/009695399/functions/mlock.html
mlock
mlock
https://man7.org/linux/man-pages/man2/mlock.2.html
mlock(2) - Linux manual page
2 linux manualmlock
https://man.NetBSD.org/mlock.3
mlock(3) - NetBSD Manual Pages
3 netbsd manualmlockpages