__swab64(9)

💅 __swab64

okay so bestie, welcome to the manual page for __swab64 — no cap, the header up there literally says __swab64(9) and the manual it lives in is the Kernel API Manual, so you already know this is kernel-adjacent royalty 👑

✨ NAME ✨

__swab64 — returns a byteswapped 64-bit value 🦋

like, it takes your 64-bit value and flips the byte order around. that's the whole gig. iconic behaviour, honestly.

🌸 SYNOPSIS 🌸

__swab64 (x );

🎀 ARGUMENTS 🎀

• x — the value to byteswap 💖 literally just hand it the thing you want swapped and it does the thing.

🫶 SEE ALSO 🫶

okay this is the part where I show you the whole friend group, because __swab64 does NOT roll alone:

Kernel file ./include/uapi/linux/swab.h — that's where the whole squad lives 🏠

• __swab16(9)
• __swab32(9)
• __swahw32(9)
• __swahb32(9)
• __swab16p(9)
• __swab32p(9)
• __swab64p(9)
• __swahw32p(9)
• __swahb32p(9)
• __swab16s(9)
• __swab32s(9)
• __swab64s(9)
• __swahw32s(9)
• __swahb32s(9)

like the entire swab extended universe is right there, go say hi to all of them 😭💜

and that's the page, bestie 🎀 this whole thing ships from ./include/uapi/linux, dated October 2026 — so yeah, it's giving from the future and still byteswapping. slay. periodt. 💅✨