tty_insert_flip_char(9)

💖 tty_insert_flip_char(9) — a Kernel API Manual moment 💖

okay so bestie, we're in the Kernel API Manual today and the star of the show is tty_insert_flip_char — no cap, this is the little guy you call when you need to sneak one single character into the tty buffer. one. uno. a whole singular byte. slay.

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✨ NAME ✨

tty_insert_flip_char — add one character to the tty buffer 🎀

like literally one. that's the whole job. iconic honestly.

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🌸 SYNOPSIS 🌸

size_t tty_insert_flip_char (struct tty_port *port , u8 ch , u8 flag );

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🦋 ARGUMENTS 🦋

• port — the tty port 🫶 (your main character struct, a struct tty_port *)
• ch — character 💅 (a u8, the actual byte you're pushing through)
• flag — flag byte ⭐ (a u8, the optional little tag that rides along with it)

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🔥 DESCRIPTION 🔥

Queue a single byte ch to the tty buffering, with an optional flag. that's it, that's the vibe. one byte, one optional flag, into the buffer it goes. lowkey the simplest thing in the whole tty subsystem and honestly? we love that for her 💜

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🌈 SEE ALSO 🌈

• Kernel file ./include/linux/tty_flip.h — go read it, iykyk 📖
• tty_insert_flip_string_fixed_flag(9) — the "but what if it was a whole string" edition
• tty_insert_flip_string_flags(9) — the "and what if the flags were plural too" edition

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and that's the page bestie!! 🧚 source/version is ./include/linux, dated October 2026 — so go forth, insert exactly one flip char, and remember: one byte at a time is still ate 💅✨🍓