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devel / comp.lang.c / In search of state machines

In search of state machines

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https://www.novabbs.com/devel/article-flat.php?id=29559&group=comp.lang.c#29559

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From: anton....@gmail.moc (Anton Shepelev)
Newsgroups: comp.lang.c
Subject: In search of state machines
Date: Fri, 6 Oct 2023 21:08:41 +0300
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by: Anton Shepelev - Fri, 6 Oct 2023 18:08 UTC

Hello, all

I have decided cautiously to follow David's advice, and
write a microscopic C project in a less conservative style,
using:

1. the ternary ?: operator,
2. combined declaration and initialisation of variables,
3. declaration of variables in their natural {}-scope,
wherever appropriate.

I want to write absolutely minimalist state-machine engive,
without nesting or any form of comilation. Can you come up
with beautiful parsing example that is not too large, yet
naturally demostrates all of the major features of an UML
state machine:

1. actions (self-transitions),
2. exit events,
3. entry events,
4. transition events,

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Subject	Author
In search of state machines	Anton Shepelev