lookup_constant(9)

💖 lookup_constant(9) — the kernel API manual, bestie edition 💖

okay so this page is literally about lookup_constant, and no cap it's one of those tiny little functions that carries the whole vibe of "find the thing by its name in a list that's already in order." we love a lowkey icon ✨

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🎀 NAME 🎀

lookup_constant — look up a constant by name in an ordered table, periodt.

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✨ SYNOPSIS ✨

int lookup_constant (const struct constant_table *tbl , const char *name
, int not_found );

like yes that's the whole signature, she's not long, she's efficient 💅

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🫶 ARGUMENTS 🫶

• tbl — the table of constants you wanna search. it's the ordered table, it's the main character, it's where the answers live 👑
• name — the name you're looking up, iykyk. you bring the string, the table brings the constants, it's giving matchmaking 🌸
• not_found — the value you get handed back if the name is not found 😭 like the consolation prize, the "sorry bestie she's not here" return value 🎀

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🦋 SEE ALSO 🦋

• Kernel file ./fs/fs_parser.c
• fs_lookup_param(9)
• fs_validate_description(9)

go read those too, they're all in the same friend group fr fr 💜

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ngl there's nothing dangerous or deprecated on this page — it's just a cute little lookup. still, remember: not_found is what you get when the name misses, so pick a value that makes sense for your code and don't come crying later 🙈

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and that's the whole page, bestie!! 🌈 this one came from ./fs and the date on it is October 2026, so like 🎀 stay fresh, stay ordered, and may all your constants be found on the first try 🦋💖✨