xdr_item_is_present(9)

🌸 NAME 🌸

okay so bestie, welcome to xdr_item_is_present(9) from the Kernel API Manual ✨ this page is literally about how to symbolically handle XDR discriminators — no cap, that’s the whole vibe 💅

✨ SYNOPSIS ✨

bool xdr_item_is_present (const __be32 *p );

🎀 ARGUMENTS 🎀

• p — pointer to undecoded discriminator. that’s the input, bestie 🫶

💖 RETURN 💖

• true — if the following XDR item is present 👑
• false — if the following XDR item is absent 💀

🦋 SEE ALSO 🦋

first up, the Kernel file: ./include/linux/sunrpc/xdr.h — go give it a lil read, iykyk 📖💅

then the whole XDR bestie squad:

• xdr_set_scratch_buffer(9)
• xdr_set_scratch_folio(9)
• xdr_reset_scratch_buffer(9)
• xdr_commit_encode(9)
• xdr_stream_remaining(9)
• xdr_align_size(9)
• xdr_pad_size(9)
• xdr_stream_encode_item_present(9)
• xdr_stream_encode_item_absent(9)
• xdr_encode_bool(9)
• xdr_stream_encode_bool(9)
• xdr_stream_encode_u32(9)
• xdr_stream_encode_be32(9)
• xdr_stream_encode_u64(9)
• xdr_stream_encode_opaque_inline(9)
• xdr_stream_encode_opaque_fixed(9)
• xdr_stream_encode_opaque(9)
• xdr_stream_encode_uint32_array(9)
• xdr_item_is_absent(9)
• xdr_stream_decode_bool(9)
• xdr_stream_decode_u32(9)
• xdr_stream_decode_be32(9)
• xdr_stream_decode_u64(9)
• xdr_stream_decode_opaque_fixed(9)
• xdr_stream_decode_opaque_inline(9)
• xdr_stream_decode_uint32_array(9)

signed off from ./include/linux/sunrpc, dated October 2026 — xdr_item_is_present(9) out, periodt 💅✨