ptm_unix98_lookup(9)

okay bestie, welcome to ptm_unix98_lookup(9) from the Kernel API Manual 💖 we're finding a pty master and looking cute doing it. ✨

🌸 NAME 🌸

ptm_unix98_lookup — find a pty master 💅

✨ SYNOPSIS ✨

struct tty_struct * ptm_unix98_lookup (struct tty_driver *driver ,
struct file *file , int idx );

🎀 ARGUMENTS 🎀

• driver — the ptm driver, periodt.
• file — unused 🙈 (the page says unused, so we're not gonna pretend otherwise).
• idx — tty index, iykyk.

🦋 DESCRIPTION 🦋

okay so this function looks up a pty master device. it gets called under the tty_mutex for now, and that's what provides our locking. 🔐 literally the lock vibes are coming from tty_mutex, no cap.

🔥 SEE ALSO 🔥

Kernel file ./drivers/tty/pty.c — the whole squad is right here:

• pty_write(9)
• pty_write_room(9)
• pty_resize(9)
• pty_start(9)
• pty_common_install(9)
• ptm_open_peer(9)
• pts_unix98_lookup(9)
• ptmx_open(9)

mwah 💋 — footer source/version: ./drivers/tty, date: October 2026, page: ptm_unix98_lookup(9). that's the cute sign-off, periodt. 🫶