tty_chars_in_buffer(9)

💅 NAME 💅

okay bestie, this is tty_chars_in_buffer(9) from the Kernel API Manual ✨ and the name literally says it all: tty_chars_in_buffer — characters pending, periodt 💅

✨ SYNOPSIS ✨

the signature is exactly this, no cap:

unsigned int tty_chars_in_buffer (struct tty_struct *tty );

🎀 ARGUMENTS 🎀

• tty — terminal, bestie 🫶

💖 RETURN 💖

it returns the number of bytes of data in the device private output queue ✨

lowkey important: if no private method is supplied, it’s assumed there’s no queue on the device 🙈

🦋 SEE ALSO 🦋

• Kernel file: ./drivers/tty/tty_ioctl.c
• tty_write_room(9)
• tty_driver_flush_buffer(9)
• tty_unthrottle(9)
• tty_throttle_safe(9)
• tty_unthrottle_safe(9)
• tty_wait_until_sent(9)
• tty_termios_copy_hw(9)
• tty_termios_hw_change(9)
• tty_get_char_size(9)
• tty_get_frame_size(9)
• tty_set_termios(9)
• set_termios(9)
• set_sgttyb(9)
• tty_change_softcar(9)
• tty_mode_ioctl(9)

that’s the whole page, bestie 🫶 source/version: ./drivers/tty; date: October 2026; and yes, it’s tty_chars_in_buffer(9) from the Kernel API Manual. byeee 💖🎀