dvb_ringbuffer_free(9)

💖 dvb_ringbuffer_free 💖

okay bestie so this is a page from the Kernel API Manual, section 9, and it's literally the tiniest little cutie — one function, one job, zero drama. it's giving "just tell me how much room I have left" energy and honestly? iconic. 💅

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✨ NAME ✨

dvb_ringbuffer_free — returns the number of free bytes in the buffer 🫶

like. that's it. that's the whole vibe. you ask, it answers with a number. no cap.

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🌸 SYNOPSIS 🌸

ssize_t dvb_ringbuffer_free (struct dvb_ringbuffer *rbuf );

fr fr, that's the entire call. one argument, one return value, and she ate 🔥

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🦋 ARGUMENTS 🦋

• rbuf — pointer to struct dvb_ringbuffer — literally just hand her the ring buffer you're curious about and she'll do the rest 💜

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🎀 RETURN 🎀

number of free bytes in the buffer ✨

that's the whole answer, no hidden lore, no "it depends" — just the count of free bytes. slay.

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🌈 SEE ALSO 🌈

the whole friend group, and yes we're tagging everyone because nobody gets left out 🫶

• Kernel file ./include/media/dvb_ringbuffer.h
• struct dvb_ringbuffer(9)
• dvb_ringbuffer_init(9)
• dvb_ringbuffer_empty(9)
• dvb_ringbuffer_avail(9)
• dvb_ringbuffer_reset(9)
• dvb_ringbuffer_flush(9)
• dvb_ringbuffer_flush_spinlock_wakeup(9)
• DVB_RINGBUFFER_PEEK(9)
• DVB_RINGBUFFER_SKIP(9)
• dvb_ringbuffer_read_user(9)
• dvb_ringbuffer_read(9)
• DVB_RINGBUFFER_WRITE_BYTE(9)
• dvb_ringbuffer_write(9)
• dvb_ringbuffer_write_user(9)
• dvb_ringbuffer_pkt_write(9)
• dvb_ringbuffer_pkt_read_user(9)
• dvb_ringbuffer_pkt_read(9)
• dvb_ringbuffer_pkt_dispose(9)
• dvb_ringbuffer_pkt_next(9)

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and that's the post 💫

this lil masterpiece lives in ./include/media, dated October 2026, and it's brought to you by the Kernel API Manual (section 9, the cool section). go forth and check your free bytes, bestie — mwah 💋🎀