generic___ffs(9)

🎀 NAME 🎀

okay bestie, meet generic___ffs from the Kernel API Manual — it's the little icon whose whole job is to find the first bit in a word. 💅✨

🌸 SYNOPSIS 🌸

unsigned int generic___ffs (unsigned long word );

🦋 ARGUMENTS 🦋

• word — the word to search, bestie. literally the thing you're searching through. 🔍💖

💜 DESCRIPTION 💜

So like… it finds the first bit in a word. that's the vibe. 🫶

🚨 Undefined behavior alert: it's undefined if no bit exists, so your code should check against 0 first. no cap, do the check. 😭💀

🔥 SEE ALSO 🔥

• Kernel file ./include/asm-generic/bitops/__ffs.h — go read it, iykyk 📖✨

mwah 💋 this iconic little page is from the Kernel API Manual, source/version ./include/asm-generic/bitops, dated October 2026, and you've been reading generic___ffs(9). periodt. 👑🌈