gurpreetshanky / echo

Learn how argc and argv are passed from environment to Unix program.

Home Page:https://briancallahan.net/blog/20200808.html

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echo

echo is a reimplementation of the echo(1) utility without libc. It is used to teach how argc and argv are passed in Unix.

Why?

Read my blog post about this codebase.

There is also a follow-up blog post about this codebase.

Building

Just run make. This will probably only run on OpenBSD/amd64 as is. Feel free to port to your Unix of choice.

License

ISC License. See LICENSE for details.

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About

Learn how argc and argv are passed from environment to Unix program.

https://briancallahan.net/blog/20200808.html

License:ISC License


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