blksize_t(3type)

💖 blksize_t(3type) 💖

okay bestie, gather round, we're talking about blksize_t — a whole little type that lives in the man pages under the name blksize_t(3type) and exists purely to hold file block sizes. that's it. that's the whole job. and she does it flawlessly. 👑

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✨ NAME ✨

blksize_t — file block sizes 🎀

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📚 LIBRARY 📚

Standard C library (libc) 🫶

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🌸 SYNOPSIS 🌸

#include <sys/types.h>

typedef /* ... */ blksize_t;

like. look at her. iconic. no cap. 💅

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🦋 DESCRIPTION 🦋

So what does this queen actually do? She's used for file block sizes. and — important detail, don't skip this — she is a signed integer type. yes bb, signed. not unsigned. she can go negative, theoretically, spiritually. ✨

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👑 STANDARDS 👑

POSIX.1-2024. periodt. that's the standard she answers to. 💜

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⭐ HISTORY ⭐

She's been around a minute, bestie. like, she goes all the way back to:

• SUSv2
• POSIX.1-2001

elder stateswoman energy fr fr 🌈

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📝 NOTES 📝

plot twist!! the following header also provides this type:

• <sys/stat.h>

so if you're including <sys/types.h> you're good, but heads up that <sys/stat.h> slidin' in with the same type too. iykyk. 🙈

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🔥 SEE ALSO 🔥

• stat(3type)

go read that one next, she's the main character adjacent 💖

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aLSO, tiny lil' legal-ish sign-off so nobody comes for me: this page is from Linux man-pages 6.20, and it's dated 2026-02-08. the girls that get it, get it. bye bestie, go read some headers 🦋✨🎀