kfifo_peek_len(9)

okay bestie, grab your iced coffee 🧋 because we're looking at kfifo_peek_len(9) from the Kernel API Manual, and it's honestly a tiny icon. 💖

✨ NAME ✨

kfifo_peek_len — gets the size of the next fifo record 💅

🌸 SYNOPSIS 🌸

kfifo_peek_len (fifo );

yes, the spacing is doing its own little thing — leave it be 🙈

🎀 ARGUMENTS 🎀

• fifo — address of the fifo to be used. that's the whole assignment, bestie 🫶

🦋 DESCRIPTION 🦋

This function returns the size of the next fifo record in number of bytes. periodt. that's literally the whole description, no extra lore, no side quest ✨

🌈 SEE ALSO 🌈

Kernel file ./include/linux/kfifo.h plus this whole friend group of (9) pages — all of them, exactly as listed 👑:

• DECLARE_KFIFO_PTR(9)
• DECLARE_KFIFO(9)
• INIT_KFIFO(9)
• DEFINE_KFIFO(9)
• kfifo_initialized(9)
• kfifo_esize(9)
• kfifo_recsize(9)
• kfifo_size(9)
• kfifo_reset(9)
• kfifo_reset_out(9)
• kfifo_len(9)
• kfifo_is_empty(9)
• kfifo_is_empty_spinlocked(9)
• kfifo_is_empty_spinlocked_noirqsave(9)
• kfifo_is_full(9)
• kfifo_avail(9)
• kfifo_skip_count(9)
• kfifo_skip(9)
• kfifo_alloc(9)
• kfifo_alloc_node(9)
• kfifo_free(9)
• kfifo_init(9)
• kfifo_put(9)
• kfifo_get(9)
• kfifo_peek(9)
• kfifo_in(9)
• kfifo_in_spinlocked(9)
• kfifo_in_spinlocked_noirqsave(9)
• kfifo_out(9)
• kfifo_out_spinlocked(9)
• kfifo_out_spinlocked_noirqsave(9)
• kfifo_from_user(9)
• kfifo_to_user(9)
• kfifo_dma_in_prepare_mapped(9)
• kfifo_dma_in_finish(9)
• kfifo_dma_out_prepare_mapped(9)
• kfifo_dma_out_finish(9)
• kfifo_out_peek(9)
• kfifo_out_linear(9)
• kfifo_out_linear_ptr(9)

okay that's the page, mwah 💋 — source path ./include/linux, dated October 2026, and this cutie is kfifo_peek_len(9) 🎀