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wyatt :terezi_libra:wyatt@soc.megatokyo.moe
Oct 14, 2026, 7:45 PM
@hipsterelectron @Lunaphied the main difference for most people is using /* */ for comments

you can use uint8_t and other "standard sized" things and just let the person define them per computer since c89 doesn't standardize them

there are other differences but that gets you like 80% of the way there for no effort
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Replies

sarah tonin :wlfBlep:SRAZKVT@tech.lgbt
Oct 14, 2026, 7:48 PM
@wyatt @hipsterelectron @Lunaphied also variables don't have to be defined at the top of the block since c99 iirc
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wyatt :terezi_libra:wyatt@soc.megatokyo.moe
Oct 14, 2026, 7:50 PM
@SRAZKVT @hipsterelectron @Lunaphied true
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wyatt :terezi_libra:wyatt@soc.megatokyo.moe
Oct 14, 2026, 7:51 PM
@SRAZKVT @hipsterelectron @Lunaphied might have to verify actuallly but i know turbo c reqyires at top
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d@nny disc@hipsterelectron@circumstances.run
Oct 14, 2026, 8:12 PM
@SRAZKVT @wyatt @Lunaphied i'm fine with hoisting local vars by hand
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wicked witch of the unixnavi@social.vlhl.dev
Oct 14, 2026, 8:17 PM
@SRAZKVT @wyatt @hipsterelectron @Lunaphied

c89 requires top variables yea
and no vlas, no stdint nor stdbool, no compound literals nor designated initializer, seems like no vararg macros neither (TIL), and libc changes that i don't think matter as much here? idk
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wyatt :terezi_libra:wyatt@soc.megatokyo.moe
Oct 14, 2026, 8:19 PM
@navi @hipsterelectron @Lunaphied @SRAZKVT i'd take navis word for it, she knows her stuff probably a lot more than i do outside my tiny bubble
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d@nny disc@hipsterelectron@circumstances.run
Oct 14, 2026, 8:40 PM
@navi @Lunaphied @wyatt @SRAZKVT i'll cry about stdint but if i'm writing C89 i'm probably gonna autoconf up a config.h anyway
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wyatt :terezi_libra:wyatt@soc.megatokyo.moe
Oct 14, 2026, 9:12 PM
@hipsterelectron @navi @Lunaphied @SRAZKVT i'm fine with mostly c99 code where i have to manually add a few preprocessor defines like #uint32_t or whatever at the top
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d@nny disc@hipsterelectron@circumstances.run
Oct 14, 2026, 10:10 PM
@wyatt @Lunaphied @navi @SRAZKVT i'm also concerned about autoconf for other reasons even though zack weinberg is wonderful and very committed to portability. i'm also concerned about automake's perl requirement
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d@nny disc@hipsterelectron@circumstances.run
Oct 14, 2026, 10:13 PM
@wyatt @Lunaphied @navi @SRAZKVT i implemented functionality equivalent to #include with sed and then made a shell script compiler with more and more sed even though sed is obnoxiously limited and i realized i was building the shell language with built in parsing framework i had always wanted and then resolved to just make that language as a programming language instead of hacking it together
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d@nny disc@hipsterelectron@circumstances.run
Oct 14, 2026, 8:11 PM
@wyatt @Lunaphied i only use /* */ for comments anyway, // is for losers
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