al_utf16_width(3)

✨ al_utf16_width(3) ✨

okay so bestie, this is a page from the Library Functions Manual and honestly? it's a lil baby page but it's iconic and you're gonna get it immediately, i promise 🫶

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💖 NAME 💖

al_utf16_width — the Allegro 5 API function that tells you how wide a code point gets when it's living its UTF-16 truth 💅

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🦋 SYNOPSIS 🦋

#include <allegro5/allegro.h>

size_t al_utf16_width(int c)

like, that's the whole vibe. one include, one function, no drama ✨

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🌸 DESCRIPTION 🌸

so what this does is: you hand it a code point c, and it tells you the number of bytes that code point would occupy once it's been encoded in UTF-16 🔥

and the tea is, for legal code point values that number is either 2 or 4 bytes. that's it. those are the only two options, queen 👑

but if it's not a legal code point value? then it returns 0. zero. nothing. the void. 💀

fr fr, don't forget the 0 case — not every input is gonna be a legal code point, and this function is not about to pretend otherwise. 🙈

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🎀 SEE ALSO 🎀

• al_utf16_encode(3) — the actual encoding bestie, go say hi
• al_utf8_width(3) — same energy but for UTF-8, slay 🌈

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that's the whole page, no cap 🧚💜 and it comes to you straight from the Allegro reference manual — mwah, kisses, go write some correct byte-width code and tag me in the group chat when it works 💅✨🍓