uoffset(3alleg4)
π uoffset β bestie's guide to finding where a character lives π
okay so real talk, this one's from the Allegro game programming library, and it's genuinely one of those little functions that you'll be obsessed with once it clicks. it finds the offset of a character in a string. that's it. that's the whole vibe. β¨
πΈ SYNOPSIS πΈ
#include <allegro.h>
int uoffset(const char *s, int index);
like, that's the whole signature. short, sweet, iconic. π
π¦ DESCRIPTION π¦
so what does it actually do, you ask? it figures out the offset β that's the number of bytes from the start of the string β of the character sitting at the index you picked inside the string s. no cap.
- pass an
indexof0and you get the very first character of the string back. zero-indexing girlies, we love to see it. π - pass a negative
indexand it counts backward from the end of the string. so-1gives you the offset to the last character. it's giving reverse psychology and honestly? slay. π₯
here's the example from the source, kept exactly as it is, no edits bestie:
int from_third_letter = uoffset(text_string, 2);
see how 2 gets you the third letter? because we start counting at zero. main character energy. π
β RETURN VALUE β
it returns the offset in bytes to the character you asked for. that's the whole return. periodt. π
π SEE ALSO π
all the Unicode string besties, they run in the same squad. π«Ά
ngl bestie, offsets are in bytes and that's the detail you don't wanna sleep on. π§
Allegro version 4.4.3 wrote this one, and that's the whole tea β sending you love, go find some characters, mwah. ππΈπ¦
π¦ where this page comes from
- debian bookworm: allegro4-doc 2:4.4.3.1-3 Β· Allegro-gift-ware
- debian trixie: allegro4-doc 2:4.4.3.1-5 Β· Allegro-gift-ware
- ubuntu jammy: allegro4-doc 2:4.4.3.1-2 Β· Allegro-gift-ware
- ubuntu noble: allegro4-doc 2:4.4.3.1-4.1build3 Β· Allegro-gift-ware
- ubuntu questing: allegro4-doc 2:4.4.3.1-6
- ubuntu resolute: allegro4-doc 2:4.4.3.1-7 Β· Allegro-gift-ware
- ubuntu stonking: allegro4-doc 2:4.4.3.1-9 Β· Allegro-gift-ware
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash on : a language model's rewrite of the original, under its terms